diff --git a/README.md b/README.md index 99ab487..0be58de 100644 --- a/README.md +++ b/README.md @@ -3,7 +3,6 @@ A curated list of awesome Java frameworks, libraries and software. - [Awesome Java](#awesome-java) - - [Ancients](#ancients) - [Bean Mapping](#bean-mapping) - [Build](#build) - [Bytecode Manipulation](#bytecode-manipulation) @@ -23,6 +22,7 @@ A curated list of awesome Java frameworks, libraries and software. - [Dependency Injection](#dependency-injection) - [Development](#development) - [Distributed Applications](#distributed-applications) + - [Distributed Transactions](#distributed-transactions) - [Distribution](#distribution) - [Document Processing](#document-processing) - [Formal Verification](#formal-verification) @@ -75,35 +75,14 @@ A curated list of awesome Java frameworks, libraries and software. - [Websites](#websites) - [Contributing](#contributing) -## Ancients - -*In existence since the beginning of time, and which people will continue using long after the hype has waned.* - -* [Apache Ant](http://ant.apache.org/) - Build process management with XML. -* [Apache Hadoop](http://hadoop.apache.org/) - Storage and large-scale processing of data sets on clusters of commodity hardware. -* [Apache OpenNLP](https://opennlp.apache.org/) - Toolkit for common tasks like tokenization. -* [Apache Velocity](http://velocity.apache.org/) - A template engine for HTML pages, emails or source code generation. -* [FreeMarker](http://freemarker.org/) - General templating engine with no heavyweight or opinionated dependencies. -* [GlassFish](http://javaee.github.io/glassfish/) - Application server and reference implementation for Java EE, sponsored by Oracle. -* [GWT](http://www.gwtproject.org/) - Toolbox that includes a Java-to-JavaScript compiler for client-side code, XML parser, API for RPC, JUnit integration, internationalization support and widgets for the GUI. -* [Hamcrest](http://hamcrest.org/JavaHamcrest/) - Matchers that, when combined, create flexible expressions of intent. -* [HornetQ](http://hornetq.jboss.org/) - Clear, concise, modular and made for embedding. -* [Java Modeling Language (JML)](http://www.eecs.ucf.edu/~leavens/JML/) - Behavioral interface specification language useful for specifying the behavior of code modules. It combines Eiffel's Design by Contract approach with the model-based specification approach of the Larch family of interface specification languages, with some elements of the refinement calculus. Used by several other verification tools. -* [JavaCC](https://javacc.org/) - Parser generator with syntactic lookahead. -* [JavaServer Faces](http://javaee.github.io/javaserverfaces-spec/) - Oracle's open-source implementation of the JSF standard, Mojarra. -* [JavaServer Pages](http://javaee.github.io/javaee-jsp-api/) - Common templating for websites with custom tag libraries. -* [JUnit](http://junit.org/) - Common testing framework. -* [Launch4j](http://launch4j.sourceforge.net/) - Wraps JARs in lightweight and native Windows executables. -* [Quartz](https://github.com/quartz-scheduler/quartz) - Open-source job scheduler library with Apache 2.0 license. -* [TestNG](http://testng.org/) - Testing framework inspired by JUnit and NUnit, with different functionalities. -* [Trove](http://trove.starlight-systems.com/) - High-performance primitive collections. +- - - ## Bean Mapping *Frameworks that ease bean mapping.* * [Dozer](https://github.com/DozerMapper/dozer/) - Mapper that copies data from one object to another using annotations and API or XML configuration. -* [JMapper](http://jmapper-framework.github.io/jmapper-core/) - Uses byte code manipulation for lightning-fast mapping. Supports annotations and API or XML configuration. +* [JMapper](https://jmapper-framework.github.io/jmapper-core/) - Uses byte code manipulation for lightning-fast mapping. Supports annotations and API or XML configuration. * [MapStruct](https://github.com/mapstruct/mapstruct) - Code generator that simplifies mappings between different bean types, based on a convention-over-configuration approach. * [ModelMapper](https://github.com/jhalterman/modelmapper) - Intelligent object mapping library that automatically maps objects to each other. * [Orika](https://github.com/orika-mapper/orika) - JavaBean-mapping framework that recursively copies (among other capabilities) data from one object to another. @@ -113,19 +92,19 @@ A curated list of awesome Java frameworks, libraries and software. *Tools that handle the build cycle and dependencies of an application.* -* [Apache Maven](http://maven.apache.org/) - Declarative build and dependency management that favors convention over configuration. It might be preferable to Apache Ant, which uses a rather procedural approach and can be difficult to maintain. -* [Bazel](http://bazel.io) - Tool from Google that builds code quickly and reliably. -* [Gradle](http://gradle.org/) - Incremental builds programmed via Groovy instead of declaring XML. Works well with Maven's dependency management. +* [Apache Maven](https://maven.apache.org/) - Declarative build and dependency management that favors convention over configuration. It might be preferable to Apache Ant, which uses a rather procedural approach and can be difficult to maintain. +* [Bazel](https://bazel.io) - Tool from Google that builds code quickly and reliably. +* [Gradle](https://gradle.org/) - Incremental builds programmed via Groovy instead of declaring XML. Works well with Maven's dependency management. ## Bytecode Manipulation *Libraries to manipulate bytecode programmatically.* -* [ASM](http://asm.ow2.org/) - All-purpose, low-level bytecode manipulation and analysis. +* [ASM](https://asm.ow2.org/) - All-purpose, low-level bytecode manipulation and analysis. * [Byte Buddy](http://bytebuddy.net/) - Further simplifies bytecode generation with a fluent API. -* [Byteman](http://byteman.jboss.org/) - Manipulate bytecode at runtime via DSL (rules); mainly for testing/troubleshooting. +* [Byteman](https://byteman.jboss.org/) - Manipulate bytecode at runtime via DSL (rules); mainly for testing/troubleshooting. * [cglib](https://github.com/cglib/cglib) - Bytecode generation library. -* [Javassist](http://jboss-javassist.github.io/javassist/) - Tries to simplify bytecode editing. +* [Javassist](https://jboss-javassist.github.io/javassist/) - Tries to simplify bytecode editing. ## Caching @@ -139,8 +118,8 @@ A curated list of awesome Java frameworks, libraries and software. *Frameworks that can dynamically manage applications inside of a cluster.* -* [Apache Aurora](http://aurora.apache.org/) - Mesos framework for long-running services and cron jobs. -* [Apache Mesos](http://mesos.apache.org/) - Abstracts CPU, memory, storage, and other compute resources away from machines. +* [Apache Aurora](https://aurora.apache.org/) - Mesos framework for long-running services and cron jobs. +* [Apache Mesos](https://mesos.apache.org/) - Abstracts CPU, memory, storage, and other compute resources away from machines. * [Singularity](http://getsingularity.com/) - Mesos framework that makes deployment and operations easy. It supports web services, background workers, scheduled jobs, and one-off tasks. ## Code Analysis @@ -149,9 +128,9 @@ A curated list of awesome Java frameworks, libraries and software. * [Checkstyle](https://github.com/checkstyle/checkstyle) - Static analysis of coding conventions and standards. * [Error Prone](https://github.com/google/error-prone) - Catches common programming mistakes as compile-time errors. -* [FindBugs](http://findbugs.sourceforge.net/) - Static analysis of bytecode to find potential bugs. +* [Spotbugs](https://github.com/spotbugs/spotbugs) - Static analysis of bytecode to find potential bugs. * [Infer](https://github.com/facebook/infer) - Modern static analysis tool for verifying the correctness of code. -* [jQAssistant](http://jqassistant.org/) - Static code analysis with Neo4J-based query language. +* [jQAssistant](https://jqassistant.org/) - Static code analysis with Neo4J-based query language. * [PMD](https://github.com/pmd/pmd) - Source code analysis for finding bad coding practices. * [Sourcetrail ![c]](https://www.sourcetrail.com) - Visual source code navigator. * [Spoon](https://github.com/INRIA/spoon/) - Library for analyzing and transforming Java source code. @@ -161,7 +140,7 @@ A curated list of awesome Java frameworks, libraries and software. *Frameworks and tools that enable code coverage metrics collection for test suites.* * [Clover ![c]](https://www.atlassian.com/software/clover/overview) - Relies on source-code instrumentation instead of bytecode instrumentation. -* [Cobertura](http://cobertura.github.io/cobertura/) - Relies on offline (or static) bytecode instrumentation and class loading to collect code coverage metrics. +* [Cobertura](https://cobertura.github.io/cobertura/) - Relies on offline (or static) bytecode instrumentation and class loading to collect code coverage metrics. * [JaCoCo](http://eclemma.org/jacoco/) - Framework that enables collection of code coverage metrics, using both offline and runtime bytecode instrumentation. ## Code Generators @@ -171,11 +150,11 @@ A curated list of awesome Java frameworks, libraries and software. * [ADT4J](https://github.com/sviperll/adt4j) - JSR-269 code generator for algebraic data types. * [Auto](https://github.com/google/auto) - Generates factory, service, and value classes. * [FreeBuilder](https://github.com/google/FreeBuilder) - Automatically generates the Builder pattern. -* [Immutables](http://immutables.github.io/) - Annotation processors to generate simple, safe and consistent value objects. +* [Immutables](https://immutables.github.io/) - Annotation processors to generate simple, safe and consistent value objects. +* [JavaPoet](https://github.com/square/javapoet) - API to generate source files. * [JHipster](https://github.com/jhipster/generator-jhipster) - Yeoman source code generator for Spring Boot and AngularJS. * [Joda-Beans](http://www.joda.org/joda-beans/) - Small framework that adds queryable properties to Java, enhancing JavaBeans. * [Lombok](https://projectlombok.org/) - Code generator that aims to reduce verbosity. -* [JavaPoet](https://github.com/square/javapoet) - API to generate source files. ## Command-line Argument Parsers @@ -184,7 +163,7 @@ A curated list of awesome Java frameworks, libraries and software. * [Airline](https://github.com/airlift/airline) - Annotation-based framework for parsing Git-like command-line arguments. * [args4j](http://args4j.kohsuke.org/) - Small library to parse command-line arguments. * [JCommander](http://jcommander.org/) - Command-line argument-parsing framework with custom types and validation via implementing interfaces. -* [JOpt Simple](http://pholser.github.io/jopt-simple/) - Simple parser that uses the POSIX getopt() and GNU getopt_long() syntaxes. Uses a fluent API instead of annotations. +* [JOpt Simple](https://pholser.github.io/jopt-simple/) - Simple parser that uses the POSIX getopt() and GNU getopt_long() syntaxes. Uses a fluent API instead of annotations. * [picocli](http://picocli.info/) - ANSI colors and styles in usage help. Can be included as source to avoid dependency. Annotation-based, POSIX/GNU/any syntax, subcommands, strong typing for both options and positional args. ## Compiler-compiler @@ -198,7 +177,10 @@ A curated list of awesome Java frameworks, libraries and software. *Libraries that provide external configuration.* +* [centraldogma](https://github.com/line/centraldogma) - Highly-available version-controlled service configuration repository based on Git, ZooKeeper and HTTP/2. +* [cfg4j](https://github.com/cfg4j/cfg4j) - Modern configuration library for distributed apps written in Java. * [config](https://github.com/typesafehub/config) - Configuration library for JVM languages. +* [dotenv](https://github.com/shyiko/dotenv) - A twelve-factor configuration library for Java. * [ini4j](http://ini4j.sourceforge.net/) - Provides an API for handling Windows' INI files. * [KAConf](https://github.com/mariomac/kaconf) - Annotation-based configuration system for Java and Kotlin. * [owner](https://github.com/lviggiano/owner) - Reduces boilerplate of properties. @@ -209,35 +191,34 @@ A curated list of awesome Java frameworks, libraries and software. * [Choco](http://choco-solver.org/) - Off-the-shelf constraint satisfaction problem solver that uses constraint programming techniques. * [JaCoP](https://github.com/radsz/jacop/) - Includes an interface for the FlatZinc language, enabling it to execute MiniZinc models. -* [OptaPlanner](http://www.optaplanner.org/) - Business planning and resource scheduling optimization solver. +* [OptaPlanner](https://www.optaplanner.org/) - Business planning and resource scheduling optimization solver. ## CSV *Frameworks and libraries that simplify reading/writing CSV data.* -* [Apache Commons CSV](https://github.com/apache/commons-csv) - Provides a simple interface for reading and writing CSV files of various types. * [jackson-dataformat-csv](https://github.com/FasterXML/jackson-dataformat-csv) - Jackson extension for reading and writing CSV. * [opencsv](http://opencsv.sourceforge.net) - Simple CSV parser. -* [Super CSV](http://super-csv.github.io/super-csv/) - Powerful CSV parser with support for Dozer, Joda-Time and Java 8. +* [Super CSV](https://super-csv.github.io/super-csv/) - Powerful CSV parser with support for Dozer, Joda-Time and Java 8. * [uniVocity-parsers](https://github.com/uniVocity/univocity-parsers) - One of the fastest and most feature-complete parsers. Also comes with parsers for TSV and fixed-width records. ## Database *Everything that simplifies interactions with the database.* -* [Apache Phoenix](http://phoenix.apache.org/) - High-performance relational database layer over HBase for low-latency applications. +* [Apache Phoenix](https://phoenix.apache.org/) - High-performance relational database layer over HBase for low-latency applications. * [Chronicle Map](https://github.com/OpenHFT/Chronicle-Map) - Efficient, in-memory (opt. persisted to disk), off-heap key-value store. * [eXist](https://github.com/eXist-db/exist) - A NoSQL document database and application platform. * [FlexyPool](https://github.com/vladmihalcea/flexy-pool) - Brings metrics and failover strategies to the most common connection pooling solutions. * [Flyway](https://flywaydb.org/) - Simple database migration tool. -* [H2](http://h2database.com/) - Small SQL database notable for its in-memory functionality. +* [H2](https://h2database.com/) - Small SQL database notable for its in-memory functionality. * [HikariCP](https://github.com/brettwooldridge/HikariCP) - High-performance JDBC connection pool. * [JDBI](http://jdbi.org/) - Convenient abstraction of JDBC. * [Jedis](https://github.com/xetorthio/jedis) - Small client for interaction with Redis, with methods for commands. * [Jest](https://github.com/searchbox-io/Jest) - Client for the Elasticsearch REST API. * [jetcd](https://github.com/justinsb/jetcd) - Client library for etcd. * [Jinq](https://github.com/my2iu/Jinq) - Typesafe database queries via symbolic execution of Java 8 Lambdas (on top of JPA or jOOQ). -* [jOOQ](http://www.jooq.org/) - Generates typesafe code based on SQL schema. +* [jOOQ](https://www.jooq.org/) - Generates typesafe code based on SQL schema. * [Liquibase](http://www.liquibase.org/) - Database-independent library for tracking, managing and applying database schema changes. * [MapDB](http://www.mapdb.org/) - Embedded database engine that provides concurrent collections backed on disk or in off-heap memory. * [MariaDB4j](https://github.com/vorburger/MariaDB4j/) - Launcher for MariaDB that requires no installation or external dependencies. @@ -248,9 +229,9 @@ A curated list of awesome Java frameworks, libraries and software. * [Redisson](https://github.com/mrniko/redisson) - Allows for distributed and scalable data structures on top of a Redis server. * [requery](https://github.com/requery/requery) - A modern, lightweight but powerful object mapping and SQL generator. Easily map to or create databases, or perform queries and updates from any Java-using platform. * [Speedment](https://github.com/speedment/speedment) - Database access library that utilizes Java 8's Stream API for querying. -* [sql2o](http://sql2o.org/) - Thin JDBC wrapper that simplifies database access and provides simple mapping of ResultSets to POJOs. -* [Vibur DBCP](http://www.vibur.org/) - JDBC connection pool library with advanced performance monitoring capabilities. -* [Xodus](http://jetbrains.github.io/xodus/) - Highly concurrent transactional schema-less and ACID-compliant embedded database. +* [sql2o](https://sql2o.org/) - Thin JDBC wrapper that simplifies database access and provides simple mapping of ResultSets to POJOs. +* [Vibur DBCP](https://www.vibur.org/) - JDBC connection pool library with advanced performance monitoring capabilities. +* [Xodus](https://jetbrains.github.io/xodus/) - Highly concurrent transactional schema-less and ACID-compliant embedded database. ## Data Structures @@ -258,10 +239,10 @@ A curated list of awesome Java frameworks, libraries and software. * [Apache Avro](https://avro.apache.org/) - Data interchange format with dynamic typing, untagged data, and absence of manually assigned IDs. * [Apache Orc](https://orc.apache.org/) - Fast and efficient columnar storage format for Hadoop-based workloads. -* [Apache Parquet](http://parquet.apache.org/) - Columnar storage format based on assembly algorithms from Google's paper on Dremel. +* [Apache Parquet](https://parquet.apache.org/) - Columnar storage format based on assembly algorithms from Google's paper on Dremel. * [Apache Thrift](https://thrift.apache.org/) - Data interchange format that originated at Facebook. * [Big Queue](https://github.com/bulldog2011/bigqueue) - A big, fast and persistent queue based on memory-mapped files. -* [Persistent Collection](http://pcollections.org/) - Persistent and immutable analogue of the Java Collections Framework. +* [Persistent Collection](https://pcollections.org/) - Persistent and immutable analogue of the Java Collections Framework. * [Protobuf](https://github.com/google/protobuf) - Google's data interchange format. * [SBE](https://github.com/real-logic/simple-binary-encoding) - Simple Binary Encoding, one of the fastest message formats around. * [Tape](https://github.com/square/tape) - A lightning-fast, transactional, file-based FIFO. @@ -273,6 +254,7 @@ A curated list of awesome Java frameworks, libraries and software. * [Almanac Converter](https://github.com/hypotemoose/almanac-converter) - Simple conversion between different calendar systems. * [iCal4j](https://github.com/ical4j/ical4j) - Parse and build iCalendar [RFC 5545](https://tools.ietf.org/html/rfc5545) data models. +* [ThreeTen-Extra](https://github.com/ThreeTen/threeten-extra) - Additional date-time classes that complement those in JDK 8. * [Time4J](https://github.com/MenoData/Time4J) - Advanced date and time library. ## Dependency Injection @@ -280,55 +262,52 @@ A curated list of awesome Java frameworks, libraries and software. *Libraries that help to realize the [Inversion of Control](https://en.wikipedia.org/wiki/Inversion_of_control) paradigm.* * [Apache DeltaSpike](https://deltaspike.apache.org/) - CDI extension framework. -* [Dagger2](http://google.github.io/dagger/) - Compile-time injection framework without reflection. +* [Dagger2](https://google.github.io/dagger/) - Compile-time injection framework without reflection. * [Feather](https://github.com/zsoltherpai/feather) - Ultra-lightweight, JSR-330-compliant dependency injection library. * [Governator](https://github.com/Netflix/governator) - Extensions and utilities that enhance Google Guice. * [Guice](https://github.com/google/guice) - Lightweight and opinionated framework that completes Dagger. -* [HK2](http://javaee.github.io/hk2) - Lightweight and dynamic dependency injection framework. +* [HK2](https://javaee.github.io/hk2) - Lightweight and dynamic dependency injection framework. ## Development *Augmentation of the development process at a fundamental level.* * [AspectJ](https://eclipse.org/aspectj/) - Seamless aspect-oriented programming extension. -* [DCEVM](http://dcevm.github.io/) - JVM modification that allows unlimited redefinition of loaded classes at runtime. +* [DCEVM](https://dcevm.github.io/) - JVM modification that allows unlimited redefinition of loaded classes at runtime. * [Faux Pas](https://github.com/zalando/faux-pas) - Library that simplifies error handling by circumventing the issue that none of the functional interfaces in the Java Runtime is allowed by default to throw checked exceptions. * [HotswapAgent](https://github.com/HotswapProjects/HotswapAgent) - Unlimited runtime class and resource redefinition. * [JavaParser](https://github.com/javaparser/javaparser) - Parse, modify and generate Java code. * [JavaSymbolSolver](https://github.com/javaparser/javasymbolsolver) - A symbol solver for Java. -* [JRebel ![c]](http://zeroturnaround.com/software/jrebel/) - Instantly reloads code and configuration changes without redeploys. +* [JRebel ![c]](https://zeroturnaround.com/software/jrebel/) - Instantly reloads code and configuration changes without redeploys. * [NoException](https://noexception.machinezoo.com/) - Allows checked exceptions in functional interfaces and converts exceptions to Optional return. ## Distributed Applications *Libraries and frameworks for writing distributed and fault-tolerant applications.* -* [Apache Geode](http://geode.apache.org/) - In-memory data management system that provides reliable asynchronous event notifications and guaranteed message delivery. -* [Apache Storm](http://storm.apache.org/) - Realtime computation system. -* [Apache ZooKeeper](http://zookeeper.apache.org/) - Coordination service with distributed configuration, synchronization, and naming registry for large distributed systems. +* [Apache Geode](https://geode.apache.org/) - In-memory data management system that provides reliable asynchronous event notifications and guaranteed message delivery. +* [Apache Storm](https://storm.apache.org/) - Realtime computation system. +* [Apache ZooKeeper](https://zookeeper.apache.org/) - Coordination service with distributed configuration, synchronization, and naming registry for large distributed systems. * [Atomix](http://atomix.io/atomix/) - Fault-tolerant distributed coordination framework. * [Axon Framework](http://www.axonframework.org/) - Framework for creating CQRS applications. * [Copycat](http://atomix.io/copycat/) - Fault-tolerant state machine replication framework. * [Dropwizard Circuit Breaker](https://github.com/mtakaki/dropwizard-circuitbreaker) - Circuit breaker design pattern for Dropwizard. * [Failsafe](https://github.com/jhalterman/failsafe) - Simple failure handling with retries and circuit breakers. -* [Hazelcast ![c]](http://hazelcast.org/) - Highly scalable in-memory datagrid with a free open-source version. +* [Hazelcast ![c]](https://hazelcast.org/) - Highly scalable in-memory datagrid with a free open-source version. * [Hystrix](https://github.com/Netflix/Hystrix) - Provides latency and fault tolerance. * [JGroups](http://www.jgroups.org/) - Toolkit for reliable messaging and cluster creation. * [Orbit](http://www.orbit.cloud/) - Virtual actors; adds another level of abstraction to traditional actors. -* [Quasar](http://www.paralleluniverse.co/quasar/) - Lightweight threads and actors for the JVM. +* [Quasar](https://www.paralleluniverse.co/quasar/) - Lightweight threads and actors for the JVM. * [resilience4j](https://github.com/resilience4j/resilience4j) - Functional fault tolerance library. * [Zuul](https://github.com/Netflix/zuul) - A gateway service that provides dynamic routing, monitoring, resiliency, security, and more. -## Distributed Databases +## Distributed Transactions -*Databases in a distributed system that appear to applications as a single data source.* +*Distributed transactions provide a mechanism for ensuring consistency of data updates in the presence of concurrent access and partial failures.* -* [Apache Cassandra](http://cassandra.apache.org) - Column-oriented and provides high availability with no single point of failure. -* [Apache HBase](http://hbase.apache.org) - Hadoop database for big data. -* [Druid](http://druid.io) - Real-time and historical OLAP data store that excels at aggregation and approximation queries. -* [Infinispan](http://infinispan.org/) - Highly concurrent key-value data store used for caching. -* [OpenTSDB](http://opentsdb.net) - Scalable and distributed time series database written on top of Apache HBase. -* [OrientDB](https://orientdb.com/orientdb/) - Embeddable distributed database written on top of Hazelcast. +* [Atomikos](https://www.atomikos.com) - Provides transactions for REST, SOA and microservices with support for JTA and XA. +* [Bitronix](https://github.com/bitronix/btm) - A simple but complete implementation of the JTA 1.1 API. +* [Narayana](http://narayana.io) - Provides support for traditional ACID and compensation transactions, also complies with JTA, JTS and other standards. ## Distribution @@ -337,10 +316,10 @@ A curated list of awesome Java frameworks, libraries and software. * [Bintray ![c]](https://bintray.com/) - Version control for binaries that handle publishing. Compatible with Maven or Gradle, with a free plan for open-source software as well as several business plans. * [Boxfuse](https://boxfuse.com) - Deployment of JVM applications to AWS using the principles of immutable infrastructure. * [Capsule](http://www.capsule.io/) - Simple and powerful packaging and deployment. A fat JAR on steroids, or a "Docker for Java" that supports JVM-optimized containers. -* [Central Repository](http://search.maven.org/) - Largest binary component repository available as a free service to the open-source community. Default used by Apache Maven, and available in all other build tools. +* [Central Repository](https://search.maven.org/) - Largest binary component repository available as a free service to the open-source community. Default used by Apache Maven, and available in all other build tools. * [IzPack](http://izpack.org/) - Setup authoring tool for cross-platform deployments. * [JitPack](https://jitpack.io/) - Easy-to-use package repository for GitHub. Builds Maven/Gradle projects on demand and publishes ready-to-use packages. -* [Nexus ![c]](http://www.sonatype.com/nexus/solution-overview) - Binary management with proxy and caching capabilities. +* [Nexus ![c]](https://www.sonatype.com/nexus/solution-overview) - Binary management with proxy and caching capabilities. * [packr](https://github.com/libgdx/packr/) - Packs JARs, assets and the JVM for native distribution on Windows, Linux and Mac OS X. * [really-executable-jars-maven-plugin](https://github.com/brianm/really-executable-jars-maven-plugin) - Maven plugin for making self-executing JARs. @@ -348,21 +327,21 @@ A curated list of awesome Java frameworks, libraries and software. *Libraries that assist with processing office document formats.* -* [Apache POI](http://poi.apache.org/) - Supports OOXML (XLSX, DOCX, PPTX) as well as OLE2 (XLS, DOC or PPT). +* [Apache POI](https://poi.apache.org/) - Supports OOXML (XLSX, DOCX, PPTX) as well as OLE2 (XLS, DOC or PPT). * [documents4j](http://documents4j.com) - API for document format conversion using third-party converters such as MS Word. -* [docx4j](http://www.docx4java.org/trac/docx4j) - Create and manipulate Microsoft Open XML files. +* [docx4j](https://www.docx4java.org/trac/docx4j) - Create and manipulate Microsoft Open XML files. ## Formal Verification -*Formal-methods tools: proof assistants, model checking, symbolic execution etc.* +*Formal-methods tools: proof assistants, model checking, symbolic execution, etc.* * [CATG](https://github.com/ksen007/janala2) - Concolic unit testing engine. Automatically generates unit tests using formal methods. -* [Checker Framework](http://types.cs.washington.edu/checker-framework/) - Pluggable type systems. Includes nullness types, physical units, immutability types and more. -* [Daikon](http://plse.cs.washington.edu/daikon/) - Detects likely program invariants and generates JML specs based on those invariants. -* [Java Path Finder (JPF)](http://babelfish.arc.nasa.gov/trac/jpf) - JVM formal verification tool containing a model checker and more. Created by NASA. +* [Checker Framework](https://types.cs.washington.edu/checker-framework/) - Pluggable type systems. Includes nullness types, physical units, immutability types and more. +* [Daikon](https://plse.cs.washington.edu/daikon/) - Detects likely program invariants and generates JML specs based on those invariants. +* [Java Path Finder (JPF)](https://babelfish.arc.nasa.gov/trac/jpf) - JVM formal verification tool containing a model checker and more. Created by NASA. * [JMLOK 2.0](http://massoni.computacao.ufcg.edu.br/home/jmlok) - Detects inconsistencies between code and JML specification through feedback-directed random tests generation, and suggests a likely cause for each nonconformance detected. -* [KeY](http://key-project.org/) - Formal software development tool that aims to integrate design, implementation, formal specification, and formal verification of object-oriented software as seamlessly as possible. Uses JML for specification and symbolic execution for verification. -* [OpenJML](http://openjml.github.io/) - Translates JML specifications into SMT-LIB format and passes the proof problems implied by the program to backend solvers. +* [KeY](https://key-project.org/) - Formal software development tool that aims to integrate design, implementation, formal specification, and formal verification of object-oriented software as seamlessly as possible. Uses JML for specification and symbolic execution for verification. +* [OpenJML](https://openjml.github.io/) - Translates JML specifications into SMT-LIB format and passes the proof problems implied by the program to backend solvers. ## Functional Programming @@ -384,18 +363,19 @@ A curated list of awesome Java frameworks, libraries and software. * [jMonkeyEngine](https://jmonkeyengine.org/) - Game engine for modern 3D development. * [libGDX](https://libgdx.badlogicgames.com/) - All-round cross-platform, high-level framework. * [LWJGL](https://www.lwjgl.org/) - Robust framework that abstracts libraries like OpenGL/CL/AL. +* [FXGL](https://almasb.github.io/FXGL/) - JavaFX Game Development Framework. ## Geospatial *Libraries for working with geospatial data and algorithms.* -* [Apache SIS](http://sis.apache.org/) - Library for developing geospatial applications. +* [Apache SIS](https://sis.apache.org/) - Library for developing geospatial applications. * [Geo](https://github.com/davidmoten/geo/) - GeoHash utilities in Java. * [Geotoolkit.org](http://www.geotoolkit.org/) - Library for developing geospatial applications. Built on top of the Apache SIS project. * [GeoTools](http://geotools.org/) - Library that provides tools for geospatial data. * [GraphHopper](https://github.com/graphhopper/graphhopper) - Road-routing engine. Used as a Java library or standalone web service. * [H2GIS](http://www.h2gis.org/) - A spatial extension of the H2 database. -* [Jgeohash](http://astrapi69.github.io/jgeohash/) - Library for using the GeoHash algorithm. +* [Jgeohash](https://astrapi69.github.io/jgeohash/) - Library for using the GeoHash algorithm. * [Mapsforge](https://github.com/mapsforge/mapsforge/) - Map rendering based on OpenStreetMap data. * [Spatial4j](https://github.com/locationtech/spatial4j/) - General-purpose spatial/geospatial library. @@ -403,19 +383,19 @@ A curated list of awesome Java frameworks, libraries and software. *Libraries to create modern graphical user interfaces.* -* [JavaFX](http://www.oracle.com/technetwork/java/javase/overview/javafx-overview-2158620.html) - The successor of Swing. -* [Scene Builder](http://gluonhq.com/open-source/scene-builder/) - Visual layout tool for JavaFX applications. -* [SWT](http://www.eclipse.org/swt/) - The Standard Widget Toolkit, a graphical widget toolkit. +* [JavaFX](https://www.oracle.com/technetwork/java/javase/overview/javafx-overview-2158620.html) - The successor of Swing. +* [Scene Builder](https://gluonhq.com/open-source/scene-builder/) - Visual layout tool for JavaFX applications. +* [SWT](https://www.eclipse.org/swt/) - The Standard Widget Toolkit, a graphical widget toolkit. ## High Performance *Everything about high-performance computation, from collections to specific libraries.* * [Agrona](https://github.com/real-logic/Agrona) - Data structures and utility methods that are common in high-performance applications. -* [Disruptor](http://lmax-exchange.github.io/disruptor/) - Inter-thread messaging library. +* [Disruptor](https://lmax-exchange.github.io/disruptor/) - Inter-thread messaging library. * [Eclipse Collections](https://github.com/eclipse/eclipse-collections) - Collections framework inspired by Smalltalk. * [fastutil](http://fastutil.di.unimi.it/) - Fast and compact type-specific collections. -* [HPPC](http://labs.carrotsearch.com/hppc.html) - Primitive collections. +* [HPPC](https://labs.carrotsearch.com/hppc.html) - Primitive collections. * [JCTools](https://github.com/JCTools/JCTools) - Concurrency tools currently missing from the JDK. * [Koloboke](https://github.com/OpenHFT/Koloboke) - Hash sets and hash maps. @@ -425,9 +405,9 @@ A curated list of awesome Java frameworks, libraries and software. * [Async Http Client](https://github.com/AsyncHttpClient/async-http-client) - Asynchronous HTTP and WebSocket client library. * [Feign](https://github.com/Netflix/feign) - HTTP client binder inspired by Retrofit, JAXRS-2.0, and WebSocket. -* [OkHttp](http://square.github.io/okhttp/) - HTTP+SPDY client. +* [OkHttp](https://square.github.io/okhttp/) - HTTP+SPDY client. * [restQL-core](https://github.com/B2W-BIT/restQL-core) - Microservice query language that fetches information from multiple services. -* [Retrofit](http://square.github.io/retrofit/) - Typesafe REST client. +* [Retrofit](https://square.github.io/retrofit/) - Typesafe REST client. * [Ribbon](https://github.com/Netflix/ribbon) - Client-side IPC library that is battle-tested in cloud. * [Riptide](https://github.com/zalando/riptide) - Client-side response routing for Spring's RestTemplate. @@ -442,8 +422,8 @@ A curated list of awesome Java frameworks, libraries and software. *Integrated development environments that try to simplify several aspects of development.* -* [Eclipse](http://www.eclipse.org/) - Established open-source project with support for lots of plugins and languages. -* [IntelliJ IDEA ![c]](http://www.jetbrains.com/idea/) - Supports many JVM languages and provides good options for Android development. The commercial edition targets the enterprise sector. +* [Eclipse](https://www.eclipse.org/) - Established open-source project with support for lots of plugins and languages. +* [IntelliJ IDEA ![c]](https://www.jetbrains.com/idea/) - Supports many JVM languages and provides good options for Android development. The commercial edition targets the enterprise sector. * [NetBeans](https://netbeans.org/) - Provides integration for several Java SE and EE features, from database access to HTML5. ## Imagery @@ -460,7 +440,7 @@ A curated list of awesome Java frameworks, libraries and software. *Libraries for serializing and deserializing JSON to and from Java objects.* -* [Genson](http://owlike.github.io/genson/) - Powerful and easy-to-use Java-to-JSON conversion library. +* [Genson](https://owlike.github.io/genson/) - Powerful and easy-to-use Java-to-JSON conversion library. * [Gson](https://github.com/google/gson) - Serializes objects to JSON and vice versa. Good performance with on-the-fly usage. * [HikariJSON](https://github.com/brettwooldridge/HikariJSON) - High-performance JSON parser, 2x faster than Jackson. * [Jackson-datatype-money](https://github.com/zalando/jackson-datatype-money) - Open-source Jackson module to support JSON serialization and deserialization of JavaMoney data types. @@ -469,6 +449,7 @@ A curated list of awesome Java frameworks, libraries and software. * [jsoniter](http://jsoniter.com) - Fast and flexible library with iterator and lazy parsing API. * [LoganSquare](https://github.com/bluelinelabs/LoganSquare) - JSON parsing and serializing library based on Jackson's streaming API. Outperforms GSON & Jackson's library. * [Moshi](https://github.com/square/moshi) - Modern JSON library, less opinionated and uses built-in types like List and Map. +* [Yasson](https://github.com/eclipse/yasson) - Binding layer between classes and JSON documents similar to JAXB. ## JSON Processing @@ -484,23 +465,23 @@ A curated list of awesome Java frameworks, libraries and software. *Current implementations of the JVM/JDK.* * [Avian](https://github.com/ReadyTalk/avian) - JVM with both JIT and AOT modes. Includes an iOS port. -* [JDK 9](http://jdk9.java.net/) - Early-access releases of JDK 9. +* [OpenJ9](https://github.com/eclipse/openj9) - High performance, enterprise calibre, flexibly licensed, openly governed cross platform Java Virtual Machine extending and augmenting the runtime technology components from the Eclipse OMR and OpenJDK project. * [OpenJDK](http://openjdk.java.net/) - Open-source implementation for Linux. * [ParparVM](https://github.com/codenameone/CodenameOne/tree/master/vm) - VM with non-blocking, concurrent GC for iOS. -* [Zulu OpenJDK 9](http://zulu.org/zulu-9-pre-release-downloads/) - Early-access OpenJDK 9 builds for Windows, Linux, and Mac OS X. -* [Zulu OpenJDK](http://www.azul.com/downloads/zulu/) - OpenJDK builds for Windows, Linux, and Mac OS X through Java 8. +* [Zulu OpenJDK 9](https://zulu.org/zulu-9-pre-release-downloads/) - Early-access OpenJDK 9 builds for Windows, Linux, and Mac OS X. +* [Zulu OpenJDK](https://www.azul.com/downloads/zulu/) - OpenJDK builds for Windows, Linux, and Mac OS X through Java 8. ## Logging *Libraries that log the behavior of an application.* -* [Apache Log4j 2](http://logging.apache.org/log4j/) - Complete rewrite with a powerful plugin and configuration architecture. +* [Apache Log4j 2](https://logging.apache.org/log4j/) - Complete rewrite with a powerful plugin and configuration architecture. * [Graylog](https://www.graylog.org/) - Open-source aggregator suited for extended role and permission management. * [Kibana](https://www.elastic.co/products/kibana) - Analyzes and visualizes log files. Some features require payment. -* [Logback](http://logback.qos.ch/) - Robust logging library with interesting configuration options via Groovy. +* [Logback](https://logback.qos.ch/) - Robust logging library with interesting configuration options via Groovy. * [Logbook](https://github.com/zalando/logbook) - Extensible, open-source library for HTTP request and response logging. * [Logstash](https://www.elastic.co/products/logstash) - Tool for managing log files. -* [SLF4J](http://www.slf4j.org/) - Abstraction layer/simple logging facade. +* [SLF4J](https://www.slf4j.org/) - Abstraction layer/simple logging facade. * [tinylog](http://www.tinylog.org/) - Lightweight logging framework with static logger class. * [Tracer](https://github.com/zalando/tracer) - Call tracing and log correlation in distributed systems. @@ -510,24 +491,24 @@ A curated list of awesome Java frameworks, libraries and software. * [Apache Flink](https://flink.apache.org/) - Fast, reliable, large-scale data processing engine. * [Apache Mahout](https://mahout.apache.org/) - Scalable algorithms focused on collaborative filtering, clustering and classification. -* [Apache Spark](http://spark.apache.org/) - Data analytics cluster-computing framework. +* [Apache Spark](https://spark.apache.org/) - Data analytics cluster-computing framework. * [DatumBox](http://www.datumbox.com) - Provides several algorithms and pre-trained models for natural language processing. * [DeepDive](http://deepdive.stanford.edu) - Creates structured information from unstructured data and integrates it into an existing database. -* [Deeplearning4j](http://deeplearning4j.org/) - Distributed and multi-threaded deep learning library. -* [H2O](http://www.h2o.ai/) - Analytics engine for statistics over big data. +* [Deeplearning4j](https://deeplearning4j.org/) - Distributed and multi-threaded deep learning library. +* [H2O](https://www.h2o.ai/) - Analytics engine for statistics over big data. * [JSAT](https://github.com/EdwardRaff/JSAT) - Algorithms for pre-processing, classification, regression, and clustering with support for multi-threaded execution. * [Oryx 2](https://github.com/OryxProject/oryx) - Framework for building real-time, large-scale machine learning applications. Includes end-to-end applications for collaborative filtering, classification, regression, and clustering. -* [Smile](http://haifengl.github.io/smile/) - The Statistical Machine Intelligence and Learning Engine provides a set of machine learning algorithms and a visualization library. -* [Weka](http://www.cs.waikato.ac.nz/ml/weka/) - Collection of algorithms for data mining tasks ranging from pre-processing to visualization. +* [Smile](https://haifengl.github.io/smile/) - The Statistical Machine Intelligence and Learning Engine provides a set of machine learning algorithms and a visualization library. +* [Weka](https://www.cs.waikato.ac.nz/ml/weka/) - Collection of algorithms for data mining tasks ranging from pre-processing to visualization. ## Messaging *Tools that help send messages between clients to ensure protocol independency.* * [Aeron](https://github.com/real-logic/Aeron) - Efficient, reliable, unicast and multicast message transport. -* [Apache ActiveMQ](http://activemq.apache.org/) - Message broker that implements JMS and converts synchronous to asynchronous communication. -* [Apache Camel](http://camel.apache.org/) - Glues together different transport APIs via Enterprise Integration Patterns. -* [Apache Kafka](http://kafka.apache.org/) - High-throughput distributed messaging system. +* [Apache ActiveMQ](https://activemq.apache.org/) - Message broker that implements JMS and converts synchronous to asynchronous communication. +* [Apache Camel](https://camel.apache.org/) - Glues together different transport APIs via Enterprise Integration Patterns. +* [Apache Kafka](https://kafka.apache.org/) - High-throughput distributed messaging system. * [Hermes](http://hermes.allegro.tech) - Fast and reliable message broker built on top of Kafka. * [JeroMQ](https://github.com/zeromq/jeromq) - Implementation of ZeroMQ. * [Nakadi](https://github.com/zalando/nakadi) - Provides a RESTful API on top of Kafka. @@ -538,7 +519,7 @@ A curated list of awesome Java frameworks, libraries and software. *Everything else.* -* [Codename One](https://www.codenameone.com/) - Cross-platform solution for writing native mobile (iOS, Android, etc.) apps. +* [Codename One](https://www.codenameone.com/) - Cross-platform solution for writing native mobile apps. * [CQEngine](https://github.com/npgall/cqengine) - Ultra-fast, SQL-like queries on Java collections. * [Design Patterns](https://github.com/iluwatar/java-design-patterns) - Implementation and explanation of the most common design patterns. * [Failsafe](https://github.com/jhalterman/failsafe) - Simple failure handling with retries and circuit breakers. @@ -554,12 +535,15 @@ A curated list of awesome Java frameworks, libraries and software. * [LightAdmin](http://lightadmin.org/) - Pluggable CRUD UI library for rapid application development. * [Maven Wrapper](https://github.com/takari/maven-wrapper) - Analogue of Gradle Wrapper for Maven, allows build projects without installing maven. * [Membrane Service Proxy](https://github.com/membrane/service-proxy) - An open-source, reverse-proxy framework written in Java. +* [Multi-OS Engine](https://software.intel.com/en-us/multi-os-engine) - An open-source, cross-platform engine to develop native mobile (iOS, Android, etc.) apps. * [Modern Java - A Guide to Java 8](https://github.com/winterbe/java8-tutorial) - Popular Java 8 guide. * [Modernizer](https://github.com/andrewgaul/modernizer-maven-plugin) - Detect uses of legacy Java APIs. * [OpenRefine](http://openrefine.org/) - Tool for working with messy data: cleaning, transforming, extending it with web services and linking it to databases. * [Polyglot for Maven](https://github.com/takari/polyglot-maven/) - Extensions for Maven 3.3.1+ that allows writing the POM model in dialects other than XML. -* [TypeTools](https://github.com/jhalterman/typetools) - Tools for resolving generic types. +* [Smooks](https://github.com/smooks/smooks) - Extensible framework for building applications that process data which means bindings, transformations, message processing and enrichment. * [Togglz](https://www.togglz.org/) - Implementation of the Feature Toggles pattern. +* [TypeTools](https://github.com/jhalterman/typetools) - Tools for resolving generic types. +* [XMLBeam](https://github.com/SvenEwald/xmlbeam) - Processes XML by using annotations or XPath within code. ## Microservice @@ -576,6 +560,8 @@ A curated list of awesome Java frameworks, libraries and software. * [AppDynamics ![c]](https://www.appdynamics.com/) - Performance monitor. * [Automon](https://github.com/stevensouza/automon) - Combines the power of AOP with monitoring and/or logging tools. +* [Failsafe Actuator](https://github.com/zalando-incubator/failsafe-actuator) - Out of the box monitoring of Failsafe Circuit Breaker in Spring-Boot environment. +* [BugSnag ![c]](https://www.bugsnag.com/) - Exception and error monitoring with a integration of several third party tools for a better workflow and a free hobbyist tier. * [Glowroot](https://glowroot.org/) - Open-source Java APM. * [Instrumental ![c]](https://instrumentalapp.com) - Real-time Java application performance monitoring. A commercial service with free development accounts. * [JavaMelody](https://github.com/javamelody/javamelody) - Performance monitoring and profiling. @@ -583,7 +569,7 @@ A curated list of awesome Java frameworks, libraries and software. * [Jolokia](https://jolokia.org/) - JMX over REST. * [Kamon](http://www.kamon.io/) - Tool for monitoring applications running on the JVM. * [Metrics](http://metrics.dropwizard.io/) - Expose metrics via JMX or HTTP and send them to a database. -* [New Relic ![c]](http://newrelic.com/) - Performance monitor. +* [New Relic ![c]](https://newrelic.com/) - Performance monitor. * [nudge4j](https://github.com/lorenzoongithub/nudge4j) - Remote developer console from the browser for Java 8 via bytecode injection. * [OverOps ![c]](https://www.overops.com/) - In-production error monitoring and debugging. * [Pinpoint](https://github.com/naver/pinpoint) - Open-source APM tool. @@ -604,7 +590,7 @@ A curated list of awesome Java frameworks, libraries and software. *Libraries that specialize in processing text.* * [CogCompNLP](https://github.com/CogComp/cogcomp-nlp) - Provides common annotators for plain text input. -* [CoreNLP](http://nlp.stanford.edu/software/corenlp.shtml) - Provides a set of fundamental tools for tasks like tagging, named entity recognition, and sentiment analysis. +* [CoreNLP](https://nlp.stanford.edu/software/corenlp.shtml) - Provides a set of fundamental tools for tasks like tagging, named entity recognition, and sentiment analysis. * [DKPro](https://dkpro.github.io/) - Collection of reusable NLP tools for linguistic pre-processing, machine learning, lexical resources, etc. * [LingPipe](http://alias-i.com/lingpipe/) - Toolkit for tasks ranging from POS tagging to sentiment analysis. @@ -614,10 +600,11 @@ A curated list of awesome Java frameworks, libraries and software. * [Comsat](https://github.com/puniverse/comsat) - Integrates standard Java web-related APIs with Quasar fibers and actors. * [Finagle](https://github.com/twitter/finagle) - Extensible RPC system for constructing high-concurrency servers. It implements uniform client and server APIs for several protocols, and is protocol-agnostic to simplify implementation of new protocols. -* [Grizzly](http://javaee.github.io/grizzly) - NIO framework. Used as a network layer in Glassfish. +* [Grizzly](https://javaee.github.io/grizzly) - NIO framework. Used as a network layer in Glassfish. * [gRPC](https://github.com/grpc/grpc-java) - RPC framework based on protobuf and HTTP/2. +* [KryoNet](https://github.com/EsotericSoftware/kryonet) - Provides a clean and simple API for efficient TCP and UDP client/server network communication using NIO and Kryo. * [MINA](https://mina.apache.org/) - Abstract, event-driven async I/O API for network operations over TCP/IP and UDP/IP via Java NIO. -* [Netty](http://netty.io/) - Framework for building high-performance network applications. +* [Netty](https://netty.io/) - Framework for building high-performance network applications. * [Nifty](https://github.com/facebook/nifty) - Implementation of Thrift clients and servers on Netty. * [Undertow](http://undertow.io/) - Web server providing both blocking and non-blocking APIs based on NIO. Used as a network layer in WildFly. * [urnlib](https://github.com/slub/urnlib) - Represent, parse and encode URNs, as in RFC 2141. @@ -626,8 +613,8 @@ A curated list of awesome Java frameworks, libraries and software. *APIs that handle the persistence of objects.* -* [Apache Cayenne](http://cayenne.apache.org/) - Provides a clean, static API for data access. Also includes a GUI Modeler for working with database mappings, and DB reverse engineering and generation. -* [Ebean](http://ebean-orm.github.io/) - Provides simple and fast data access. +* [Apache Cayenne](https://cayenne.apache.org/) - Provides a clean, static API for data access. Also includes a GUI Modeler for working with database mappings, and DB reverse engineering and generation. +* [Ebean](https://ebean-orm.github.io/) - Provides simple and fast data access. * [EclipseLink](https://www.eclipse.org/eclipselink/) - Supports a number of persistence standards: JPA, JAXB, JCA and SDO. * [Hibernate](http://hibernate.org/orm/) - Robust and widely used, with an active community. * [MyBatis](http://www.mybatis.org/mybatis-3/) - Couples objects with stored procedures or SQL statements. @@ -648,13 +635,13 @@ A curated list of awesome Java frameworks, libraries and software. *Tools to help with PDF file creation.* -* [Apache FOP](http://xmlgraphics.apache.org/fop/) - Creates PDFs from XSL-FO. -* [Apache PDFBox](http://pdfbox.apache.org/) - Toolbox for creating and manipulating PDFs. +* [Apache FOP](https://xmlgraphics.apache.org/fop/) - Creates PDFs from XSL-FO. +* [Apache PDFBox](https://pdfbox.apache.org/) - Toolbox for creating and manipulating PDFs. * [Dynamic Jasper](http://dynamicjasper.com/) - Abstraction layer to JasperReports. * [DynamicReports](http://dynamicreports.org/) - Simplifies JasperReports. * [flyingsaucer](https://github.com/flyingsaucerproject/flyingsaucer) - XML/XHTML and CSS 2.1 renderer. -* [iText ![c]](http://itextpdf.com/) - Creates PDF files programmatically. -* [JasperReports](http://community.jaspersoft.com/project/jasperreports-library) - Complex reporting engine. +* [iText ![c]](https://itextpdf.com/) - Creates PDF files programmatically. +* [JasperReports](https://community.jaspersoft.com/project/jasperreports-library) - Complex reporting engine. ## Performance analysis @@ -668,7 +655,7 @@ A curated list of awesome Java frameworks, libraries and software. * [JMH](http://openjdk.java.net/projects/code-tools/jmh/) - a Java harness for building, running, and analysing nano/micro/milli/macro benchmarks written in Java and other languages targeting the JVM. * [JProfiler ![c]](https://www.ej-technologies.com/products/jprofiler/overview.html) - Database profiling for JDBC, JPA and NoSQL, with JEE support. * [LatencyUtils](https://github.com/LatencyUtils/LatencyUtils) - Utilities for latency measurement and reporting. -* [XRebel ![c]](http://zeroturnaround.com/software/xrebel/) - Real-time profiling for web applications, with an in-browser widget. +* [XRebel ![c]](https://zeroturnaround.com/software/xrebel/) - Real-time profiling for web applications, with an in-browser widget. * [YourKit Java Profiler ![c]](https://www.yourkit.com/features/) - Profiler for any application running on the JVM. ## Platform @@ -684,10 +671,9 @@ A curated list of awesome Java frameworks, libraries and software. *Libraries for developing reactive applications.* -* [Akka](http://akka.io) - Toolkit and runtime for building concurrent, distributed, fault-tolerant and event-driven applications. +* [Akka](https://akka.io) - Toolkit and runtime for building concurrent, distributed, fault-tolerant and event-driven applications. * [Reactive Streams](https://github.com/reactive-streams/reactive-streams-jvm/) - Provides a standard for asynchronous stream processing with non-blocking backpressure. -* [Reactor](http://projectreactor.io/) - Library for building reactive fast-data applications. -* [RxJava](https://github.com/ReactiveX/RxJava) - Library for composing asynchronous and event-based programs using observable sequences from the JVM. +* [Reactor](https://projectreactor.io/) - Library for building reactive fast-data applications. * [vert.x](http://vertx.io/) - Polyglot event-driven application framework. ## REST Frameworks @@ -695,14 +681,15 @@ A curated list of awesome Java frameworks, libraries and software. *Frameworks specifically for creating RESTful services.* * [Dropwizard](https://dropwizard.github.io/dropwizard/) - Opinionated framework for setting up modern web applications with Jetty, Jackson, Jersey and Metrics. -* [Jersey](https://github.com:jersey/jersey) - JAX-RS reference implementation. +* [Jersey](https://jersey.github.io/) - JAX-RS reference implementation. * [Microserver](https://github.com/aol/micro-server) — A convenient, extensible microservices plugin system for Spring & Spring Boot. With more than 30 plugins and growing, it supports both micro-monolith and pure microservices styles. -* [Rapidoid](http://www.rapidoid.org/) - A simple, secure and extremely fast framework consisting of an embedded HTTP server, GUI components and dependency injection. +* [Rapidoid](https://www.rapidoid.org/) - A simple, secure and extremely fast framework consisting of an embedded HTTP server, GUI components and dependency injection. * [rest.li](https://github.com/linkedin/rest.li) - Framework for building robust, scalable RESTful architectures using typesafe bindings and asynchronous, non-blocking IO with an end-to-end developer workflow that promotes clean practices, uniform interface design and consistent data modeling. -* [RESTEasy](http://resteasy.jboss.org/) - Fully certified and portable implementation of the JAX-RS specification. +* [RESTEasy](https://resteasy.jboss.org/) - Fully certified and portable implementation of the JAX-RS specification. * [RestExpress](https://github.com/RestExpress/RestExpress) - Thin wrapper on the JBoss Netty HTTP stack that provides scaling and performance. * [Restlet Framework](https://github.com/restlet/restlet-framework-java/) - Pioneering framework with powerful routing and filtering capabilities, and a unified client and server API. * [Spark](http://sparkjava.com/) - Sinatra inspired framework. +* [Crnk](http://www.crnk.io/) - Implementation of the JSON API specification to build resource-oriented REST endpoints with sorting, filtering, paging, linking, object graphs, type-safety, bulk updates, integrations and more. ## Science @@ -714,6 +701,7 @@ A curated list of awesome Java frameworks, libraries and software. * [JGraphT](https://github.com/jgrapht/jgrapht) - Graph library that provides mathematical graph-theory objects and algorithms. * [JGraphX](https://github.com/jgraph/jgraphx) - Library for visualizing (mainly Swing) and interacting with node-edge graphs. * [Mines Java Toolkit](https://github.com/MinesJTK/jtk) - Library for geophysical scientific computation, visualization and digital signal analysis. +* [Morpheus](http://www.zavtech.com/morpheus/docs/) - Provides a versatile two-dimensional memory efficient tabular data structure called a DataFrame to enable efficient in-memory analytics for scientific computing on the JVM. * [Tablesaw](https://github.com/lwhite1/tablesaw) - Includes a data-frame, an embedded column store, and hundreds of methods to transform, summarize, or filter data. ## Search @@ -721,24 +709,26 @@ A curated list of awesome Java frameworks, libraries and software. *Engines that index documents for search and analysis.* * [Apache Lucene](https://lucene.apache.org/) - High-performance, full-featured, cross-platform, text search engine library. -* [Apache Solr](http://lucene.apache.org/solr/) - Enterprise search engine optimized for high-volume traffic. +* [Apache Solr](https://lucene.apache.org/solr/) - Enterprise search engine optimized for high-volume traffic. * [Elasticsearch](https://www.elastic.co/) - Distributed, multitenant-capable, full-text search engine with a RESTful web interface and schema-free JSON documents. ## Security *Libraries that handle security, authentication, authorization or session management.* -* [Apache Shiro](http://shiro.apache.org/) - Performs authentication, authorization, cryptography and session management. +* [Apache Shiro](https://shiro.apache.org/) - Performs authentication, authorization, cryptography and session management. * [Bouncy Castle](https://www.bouncycastle.org/java.html) - All-purpose cryptographic library and JCA provider offering a wide range of functions, from basic helpers to PGP/SMIME operations. * [Cryptomator](https://cryptomator.org/) - Multiplatform, transparent, client-side encryption of files in the cloud. * [Hdiv](https://github.com/hdiv/hdiv) - Runtime application that repels application security risks included in the OWASP Top 10, including SQL injection, cross-site scripting, cross-site request forgery, data tampering, and brute force attacks. * [jjwt](https://github.com/jwtk/jjwt) - JSON web token for Java and Android. -* [Keycloak](http://keycloak.jboss.org/) - Integrated SSO and IDM for browser apps and RESTful web services. +* [Keycloak](https://keycloak.jboss.org/) - Integrated SSO and IDM for browser apps and RESTful web services. * [Keyczar](https://github.com/google/keyczar) - Easy-to-use, safe encryption framework with key versioning. +* [Keywhiz](https://github.com/square/keywhiz) - System for distributing and managing secrets. * [Nbvcxz](https://github.com/GoSimpleLLC/nbvcxz) - Advanced password strength estimation. * [OACC](http://oaccframework.org/) - Provides permission-based authorization services. * [pac4j](https://github.com/pac4j/pac4j) - Security engine. * [PicketLink](http://picketlink.org/) - Umbrella project for security and identity management. +* [Vault](https://www.vaultproject.io/) - Secures, stores, and tightly controls access to tokens, passwords, certificates, API keys, and other secrets. It handles leasing, key revocation, key rolling, and auditing. Through a unified API, users can access an encrypted Key/Value store and network encryption-as-a-service, or generate AWS IAM/STS credentials, SQL/NoSQL databases, X.509 certificates, SSH credentials, and more. ## Serialization @@ -748,14 +738,15 @@ A curated list of awesome Java frameworks, libraries and software. * [FST](https://github.com/RuedigerMoeller/fast-serialization) - JDK-compatible, high-performance object graph serialization. * [Kryo](https://github.com/EsotericSoftware/kryo) - Fast and efficient object graph serialization framework. * [MessagePack](https://github.com/msgpack/msgpack-java) - Efficient binary serialization format. +* [PHP Serializer](https://github.com/marcospassos/java-php-serializer) - Serializing objects in the PHP serialization format. ## Server *Servers specifically used to deploy applications.* -* [Apache Tomcat](http://tomcat.apache.org/) - Robust, all-round server for Servlet and JSP. -* [Apache TomEE](http://tomee.apache.org/) - Tomcat plus Java EE. -* [Jetty](http://www.eclipse.org/jetty/) - Provides a Web server and javax.servlet container, plus support for HTTP/2, WebSocket, OSGi, JMX, JNDI, JAAS and many other integrations. +* [Apache Tomcat](https://tomcat.apache.org/) - Robust, all-round server for Servlet and JSP. +* [Apache TomEE](https://tomee.apache.org/) - Tomcat plus Java EE. +* [Jetty](https://www.eclipse.org/jetty/) - Provides a Web server and javax.servlet container, plus support for HTTP/2, WebSocket, OSGi, JMX, JNDI, JAAS and many other integrations. * [nanohttpd](https://github.com/NanoHttpd/nanohttpd) - Tiny, easily embeddable HTTP server. * [WebSphere Liberty](https://developer.ibm.com/wasdev/) - Lightweight, modular server developed by IBM. * [WildFly](http://www.wildfly.org/) - Formerly known as JBoss and developed by Red Hat with extensive Java EE support. @@ -764,55 +755,101 @@ A curated list of awesome Java frameworks, libraries and software. *Tools that substitute expressions in a template.* -* [Handlebars.java](http://jknack.github.io/handlebars.java/) - Logicless and semantic Mustache templates. +* [Handlebars.java](https://jknack.github.io/handlebars.java/) - Logicless and semantic Mustache templates. * [Jtwig](http://jtwig.org/) - Modular, configurable and fully tested template engine. +* [Jade4J](https://github.com/neuland/jade4j) - Implementation of jade. +* [Pebble](http://www.mitchellbosecke.com/pebble/home) - Inspired by Twig and separates itself with it's inheritance feature and it's easy-to-read syntax. It ships with built-in autoescaping for security and it includes integrated support for internationalization. * [Thymeleaf](http://www.thymeleaf.org/) - Aims to be a substitute for JSP and works for XML files. ## Testing *Tools that test from model to the view.* -* [Apache JMeter](http://jmeter.apache.org/) - Functional testing and performance measurements. -* [ArchUnit](https://github.com/TNG/ArchUnit) - Test library for specifying and asserting architecture rules. -* [Arquillian](http://arquillian.org/) - Integration and functional testing platform for Java EE containers. -* [AssertJ](http://joel-costigliola.github.io/assertj/) - Fluent assertions that improve readability. +### Asynchronous + +*Tools that simplify testing asynchronous services.* + * [Awaitility](https://github.com/jayway/awaitility) - DSL for synchronizing asynchronous operations. -* [Burst](https://github.com/square/burst) - A unit testing library for varying test data. -* [Citrus](http://citrusframework.org/) - Integration testing framework that focuses on both client- and server-side messaging. * [ConcurrentUnit](https://github.com/jhalterman/concurrentunit) - Toolkit for testing multi-threaded and asynchronous applications. -* [Cucumber](https://github.com/cucumber/cucumber-jvm) - Behavioural Driven Development (BDD) testing framework. -* [Cukes-REST](https://github.com/ctco/cukes-rest) - A collection of Gherkin steps for REST-service testing using Cucumber. -* [Fixture Factory](https://github.com/six2six/fixture-factory) - Generates fake objects from a template. -* [Gatling](http://gatling.io/) - Load testing tool designed for ease of use, maintainability and high performance. * [GreenMail](http://www.icegreen.com/greenmail/) - In-memory email server for integration testing. Supports SMTP, POP3 and IMAP including SSL. -* [J8Spec](https://github.com/j8spec/j8spec/) - Library that allows tests written in Java to follow the BDD style introduced by RSpec and Jasmine. -* [JBehave](http://jbehave.org/) - Framework for BDD. +* [Hoverfly Java](https://github.com/SpectoLabs/hoverfly-java) - Native bindings for Hoverfly a proxy which allows you to simulate HTTP services. +* [REST Assured](https://github.com/jayway/rest-assured) - DSL for easy testing of REST/HTTP services. + +### BDD + +*Testing for the software development process that emerged from TDD and was heavily influenced by DDD and OOAD.* + +* [Cucumber](https://github.com/cucumber/cucumber-jvm) - Provides a way to describe features in a plain language which customers can understand. +* [Cukes-REST](https://github.com/ctco/cukes-rest) - A collection of Gherkin steps for REST-service testing using Cucumber. +* [J8Spec](https://github.com/j8spec/j8spec/) - Follows a Jasmine-like syntax. +* [JBehave](http://jbehave.org/) - Extensively configurable framework that describes stories. +* [JGiven](http://jgiven.org) - Provides a fluent API which allows for simpler composition. +* [Lamdba Behave](https://github.com/RichardWarburton/lambda-behave) - Aims to provide a fluent API to write tests in long and descriptive sentences that read like plain English. + +### Fixtures + +*Everything related to the creation and handling of random data.* + +* [Beanmother](https://github.com/keepcosmos/beanmother) - Sets up beans from YAML fixtures. +* [Fixture Factory](https://github.com/six2six/fixture-factory) - Generates fake objects from a template. * [JFairy](https://github.com/Codearte/jfairy) - Fake data generator. -* [JGiven](http://jgiven.org) - Developer-friendly BDD testing framework compatible with JUnit and TestNG. -* [JMockit](http://jmockit.org/) - Integration testing, API mocking and faking, and code coverage. +* [Randomized Testing](https://github.com/randomizedtesting/randomizedtesting) - JUnit test runner and plugins for running JUnit tests with pseudo-randomness. + +### Frameworks + +*Provide environments to run tests for a specific use case.* + +* [ArchUnit](https://github.com/TNG/ArchUnit) - Test library for specifying and asserting architecture rules. +* [Apache JMeter](http://jmeter.apache.org/) - Functional testing and performance measurements. +* [Arquillian](http://arquillian.org/) - Integration and functional testing platform for Java EE containers. +* [Citrus](https://citrusframework.org/) - Integration testing framework that focuses on both client- and server-side messaging. +* [Gatling](https://gatling.io/) - Load testing tool designed for ease of use, maintainability and high performance. +* [JUnit](http://junit.org/) - Common testing framework. +* [PIT](http://pitest.org) - Fast mutation-testing framework for evaluating fault-detection abilities of existing JUnit or TestNG test suites. +* [Pact JVM](https://github.com/DiUS/pact-jvm/) - Consumer-driven contract testing. + +### Matchers + +*Libraries that provide custom matchers.* + +* [AssertJ](https://joel-costigliola.github.io/assertj/) - Fluent assertions that improve readability. * [JSONAssert](http://jsonassert.skyscreamer.org/) - Simplifies testing JSON strings. +* [Truth](https://github.com/google/truth) - Google's assertion and proposition framework. + +### Miscellaneous + +*Other stuff related to testing.* + +* [Mutability Detector](https://github.com/MutabilityDetector/MutabilityDetector) - Reports whether instances of a given class are immutable. +* [raml-tester](https://github.com/nidi3/raml-tester) - Tests if a request/response matches a given RAML definition. +* [TestContainers](https://github.com/testcontainers/testcontainers-java) - Provides throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container. +* [pojo-tester](http://www.pojo.pl/) - Automatically performs tests on basic POJO methods. + +### Mocking + +*Tools which mock collaborators to help testing single, isolated units.* + +* [JMockit](http://jmockit.org/) - Integration testing, API mocking and faking, and code coverage. +* [Mockito](https://github.com/mockito/mockito) - Mocking framework that lets you write tests with a clean and simple API. +* [MockServer](https://www.mock-server.com/) - Allows mocking of systems integrated with HTTPS. +* [Moco](https://github.com/dreamhead/moco) - Concise web services for stubs and mocks. +* [PowerMock](https://github.com/jayway/powermock) - Mocks static methods, constructors, final classes and methods, private methods, and removal of static initializers. +* [WireMock](http://wiremock.org/) - Stubs and mocks web services. + +### Parameterization + +*Simplifies the writing of parameterized tests.* + +* [Burst](https://github.com/square/burst) - A unit testing library for varying test data. * [junit-dataprovider](https://github.com/TNG/junit-dataprovider) - A TestNG-like data provider/runner for JUnit. * [JUnitParams](https://pragmatists.github.io/JUnitParams/) - Creates readable and maintainable parametrised tests. -* [Lamdba Behave](https://github.com/RichardWarburton/lambda-behave) - Descriptive behavioural specification framework. -* [Mockito](https://github.com/mockito/mockito) - Mocking framework that lets you write tests with a clean and simple API. -* [MockServer](http://www.mock-server.com/) - Allows mocking of systems integrated with HTTPS. -* [Moco](https://github.com/dreamhead/moco) - Concise web services for stubs and mocks; Duke's Choice Award winner (2013). -* [Mutability Detector](https://github.com/MutabilityDetector/MutabilityDetector) - Reports whether instances of a given class are immutable. -* [PIT](http://pitest.org) - Fast mutation-testing framework for evaluating fault-detection abilities of existing JUnit or TestNG test suites. -* [pojo-tester](http://www.pojo.pl/) - Automatically performs tests on basic POJO methods. -* [PowerMock](https://github.com/jayway/powermock) - Mocks static methods, constructors, final classes and methods, private methods, and removal of static initializers. -* [raml-tester](https://github.com/nidi3/raml-tester) - Tests if a request/response matches a given RAML definition. -* [Randomized Testing](https://github.com/randomizedtesting/randomizedtesting) - JUnit test runner and plugins for running JUnit tests with pseudo-randomness. -* [REST Assured](https://github.com/jayway/rest-assured) - Java DSL for easy testing of REST/HTTP services. -* [TestContainers](https://github.com/testcontainers/testcontainers-java) - Provides throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container. -* [Truth](https://github.com/google/truth) - Google's assertion and proposition framework. -* [WireMock](http://wiremock.org/) - Stubs and mocks web services. ## Utility *Libraries which provide general utility functions.* -* [Apache Commons](http://commons.apache.org/) - Provides configuration, validation, collections, file uploading, XML processing and other general-purpose functions. +* [Apache Commons](https://commons.apache.org/) - Provides configuration, validation, collections, file uploading, XML processing and other general-purpose functions. +* [cactoos](http://www.cactoos.org) - Collection of object-oriented primitives. * [CRaSH](http://www.crashub.org) - Provides a shell into a JVM that's running CRaSH. Used by Spring Boot and others. * [Dex](https://github.com/PatMartin/Dex) - Java/JavaFX tool capable of powerful ETL and data visualization. * [Embulk](http://www.embulk.org/) - Bulk data loader that helps data transfer between various databases, storages, file formats, and cloud services. @@ -822,7 +859,7 @@ A curated list of awesome Java frameworks, libraries and software. * [JavaVerbalExpressions](https://github.com/VerbalExpressions/JavaVerbalExpressions) - Library that helps with constructing difficult regular expressions. * [JGit](https://eclipse.org/jgit/) - A lightweight, pure Java library implementing the Git version control system. * [minio-java](https://github.com/minio/minio-java) - Provides simple APIs to access any Amazon S3-compatible object storage server. -* [Protégé](http://protege.stanford.edu/) - Provides an ontology editor and a framework to build knowledge-based systems. +* [Protégé](https://protege.stanford.edu/) - Provides an ontology editor and a framework to build knowledge-based systems. * [Underscore-java](https://github.com/javadev/underscore-java) - Port of Underscore.js functions. ## Version Managers @@ -837,49 +874,52 @@ A curated list of awesome Java frameworks, libraries and software. *Libraries that analyze the content of websites.* -* [Apache Nutch](http://nutch.apache.org/) - Highly extensible, highly scalable web crawler for production environments. +* [Apache Nutch](https://nutch.apache.org/) - Highly extensible, highly scalable web crawler for production environments. * [Crawler4j](https://github.com/yasserg/crawler4j) - Simple and lightweight web crawler. -* [JSoup](http://jsoup.org/) - Scrapes, parses, manipulates and cleans HTML. +* [jsoup](https://jsoup.org/) - Scrapes, parses, manipulates and cleans HTML. +* [StormCrawler](http://stormcrawler.net/) - SDK for building low-latency and scalable web crawlers. ## Web Frameworks *Frameworks that handle the communication between the layers of a web application.* -* [Apache Tapestry](http://tapestry.apache.org/) - Component-oriented framework for creating dynamic, robust, highly scalable web applications. -* [Apache Wicket](http://wicket.apache.org/) - Component-based web application framework similar to Tapestry, with a stateful GUI. +* [Apache Tapestry](https://tapestry.apache.org/) - Component-oriented framework for creating dynamic, robust, highly scalable web applications. +* [Apache Wicket](https://wicket.apache.org/) - Component-based web application framework similar to Tapestry, with a stateful GUI. * [Blade](https://github.com/biezhi/blade) - Lightweight, modular framework that aims to be elegant and simple. * [Bootique](http://bootique.io/) - Minimally opinionated framework for runnable apps. +* [Firefly](http://www.fireflysource.com/) - Asynchronous framework for rapid development of high-performance web application. * [Grails](https://grails.org/) - Groovy framework that provides a highly productive environment by favoring convention over configuration, no XML and support for mixins. * [Jooby](http://jooby.org) - Scalable, fast and modular micro-framework that offers multiple programming models. * [Ninja](http://www.ninjaframework.org/) - Full-stack web framework. * [Pippo](http://www.pippo.ro/) - Small, highly modularized, Sinatra-like framework. * [Play](https://www.playframework.com/) - Built on Akka, it provides predictable and minimal resource consumption (CPU, memory, threads) for highly-scalable applications in Java and Scala. -* [PrimeFaces](http://primefaces.org/) - JSF framework with both free and commercial/support versions and frontend components. +* [PrimeFaces](https://primefaces.org/) - JSF framework with both free and commercial/support versions and frontend components. * [Ratpack](https://ratpack.io/) - Set of libraries that facilitate fast, efficient, evolvable and well-tested HTTP applications. -* [Spring Boot](http://projects.spring.io/spring-boot/) - Microframework that simplifies the development of new Spring applications. +* [Takes](https://github.com/yegor256/takes) - Opinionated web framework which is build around the concepts of True Object-Oriented Programming and immutablity. * [Vaadin](https://vaadin.com/home) - Event-driven framework build on top of GWT. Uses server-side architecture with Ajax on the client side. # Resources ## Awesome Lists -*Awesome lists related to the Java/JVM ecosystem* +*Awesome lists related to the Java & JVM ecosystem.* -- [Awesome Gradle Plugins](https://github.com/ksoichiro/awesome-gradle) -- [Awesome JVM](https://github.com/deephacks/awesome-jvm) -- [Awesome Microservices](https://github.com/mfornos/awesome-microservices) -- [Awesome REST](https://github.com/marmelab/awesome-rest) -- [Awesome Selenium](https://github.com/christian-bromann/awesome-selenium) -- [ciandcd](https://github.com/ciandcd/awesome-ciandcd) -- [Useful Java Links](https://github.com/Vedenin/useful-java-links) +* [Awesome Gradle Plugins](https://github.com/ksoichiro/awesome-gradle) +* [AwesomeJavaFX](https://github.com/mhrimaz/AwesomeJavaFX) +* [Awesome JVM](https://github.com/deephacks/awesome-jvm) +* [Awesome Microservices](https://github.com/mfornos/awesome-microservices) +* [Awesome REST](https://github.com/marmelab/awesome-rest) +* [Awesome Selenium](https://github.com/christian-bromann/awesome-selenium) +* [ciandcd](https://github.com/ciandcd/awesome-ciandcd) +* [Useful Java Links](https://github.com/Vedenin/useful-java-links) ## Communities *Active discussions.* * [r/java](https://www.reddit.com/r/java) - Subreddit for the Java community. -* [stackoverflow](http://stackoverflow.com/questions/tagged/java) - Question/answer platform. -* [VirtualJUG](http://virtualjug.com/) - Virtual Java User Group. +* [stackoverflow](https://stackoverflow.com/questions/tagged/java) - Question/answer platform. +* [VirtualJUG](https://virtualjug.com/) - Virtual Java User Group. ## Frontends @@ -893,9 +933,9 @@ A curated list of awesome Java frameworks, libraries and software. * [Core Java Volume I--Fundamentals](https://www.amazon.com/Core-Java-I-Fundamentals-10th/dp/0134177304) * [Core Java, Volume II--Advanced Features](https://www.amazon.com/Core-Java-II-Advanced-Features-10th/dp/0134177290) -* [Effective Java (2nd Edition)](http://www.amazon.com/Effective-Java-Edition-Joshua-Bloch/dp/0321356683) -* [Java Concurrency in Practice](http://www.amazon.com/Java-Concurrency-Practice-Brian-Goetz/dp/0321349601) -* [Thinking in Java](http://www.amazon.com/Thinking-Java-Edition-Bruce-Eckel/dp/0131872486) +* [Effective Java (2nd Edition)](https://www.amazon.com/Effective-Java-Edition-Joshua-Bloch/dp/0321356683) +* [Java Concurrency in Practice](https://www.amazon.com/Java-Concurrency-Practice-Brian-Goetz/dp/0321349601) +* [Thinking in Java](https://www.amazon.com/Thinking-Java-Edition-Bruce-Eckel/dp/0131872486) ## Podcasts and Screencasts @@ -903,7 +943,7 @@ A curated list of awesome Java frameworks, libraries and software. * [Java Off Heap](http://www.javaoffheap.com/) * [Marco Behler's Screencasts](https://www.marcobehler.com/series) - Screencasts about modern Java development. -* [The Java Council](http://virtualjug.com/podcast/) +* [The Java Council](https://virtualjug.com/podcast/) * [The Java Posse](http://www.javaposse.com/) - Discontinued as of 02/2015. ## Twitter @@ -919,6 +959,7 @@ A curated list of awesome Java frameworks, libraries and software. * [Chris Richardson](https://twitter.com/crichardson) - Software architect, consultant, and serial entrepreneur, Java Champion, JavaOne Rock Star, *POJOs in Action* author. * [Ed Burns](https://twitter.com/edburns) - Consulting Member of the Technical Staff at Oracle. * [Eugen Paraschiv](https://twitter.com/baeldung) - Author of the Spring Security Course. +* [Heinz Kabutz](https://twitter.com/heinzkabutz) - Java Champion, speaker, author of The Java Specialists' Newsletter, concurrency performance expert. * [Holly Cummins](https://twitter.com/holly_cummins) - Technical Lead of IBM London's Bluemix Garage, Java Champion, developer, author, JavaOne rockstar. * [James Weaver](https://twitter.com/JavaFXpert) - Java/JavaFX/IoT developer, author and speaker. * [Java EE](https://twitter.com/Java_EE/) - Official Java EE Twitter account. @@ -948,14 +989,14 @@ A curated list of awesome Java frameworks, libraries and software. *Sites to read.* * [Google Java Style](https://google.github.io/styleguide/javaguide.html) -* [InfoQ](http://www.infoq.com/) -* [Java Algorithms and Clients](http://algs4.cs.princeton.edu/code/) -* [Java, SQL, and jOOQ](http://blog.jooq.org/) +* [InfoQ](https://www.infoq.com/) +* [Java Algorithms and Clients](https://algs4.cs.princeton.edu/code/) +* [Java, SQL, and jOOQ](https://blog.jooq.org/) * [Java.net](https://community.oracle.com/community/java) * [Javalobby](https://dzone.com/java-jdk-development-tutorials-tools-news) -* [JavaWorld](http://www.javaworld.com/) +* [JavaWorld](https://www.javaworld.com/) * [JAXenter](https://jaxenter.com/) -* [RebelLabs](http://zeroturnaround.com/rebellabs/) +* [RebelLabs](https://zeroturnaround.com/rebellabs/) * [The Takipi Blog](http://blog.takipi.com/) * [TheServerSide.com](http://www.theserverside.com/) * [Vanilla Java](https://vanilla-java.github.io/)