Merge branch 'master' into master

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Andreas Kull
2017-05-25 00:31:10 +02:00
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# Contribution Guidelines
Unfortunately, not every library/tool/framework can be considered. The aim of the list is to provide a concise list of noteworthy modern software. This means that suggested software is either
Unfortunately, not every library/tool/framework can be considered. This list aims to provide a concise list of noteworthy modern software. This means that suggested software is:
(a) widely recommended regardless of personal opinion
(a) widely recommended, regardless of personal opinion
(b) highly discussed in the community due to its innovative nature
(c) absolutely unique in its approach and function
(d) a niche product that fills a gap
(d) a niche product that fills a gap
Suggested software must also be developer-friendly, which means it meets the following criteria:
(i) If an open source *application*, it is licensed under one of the open source licenses listed on https://opensource.org/licenses.
(ii) If an open source *library*, it is licensed under one of the open source licenses listed on https://opensource.org/licenses, with the exception of GPL and AGPL (due to their viral nature).
(iii) If commercial, it has clear pricing.
## Pull Requests
There are two required criteria for a pull request:
@ -16,9 +26,9 @@ There are two required criteria for a pull request:
2. If an entry does not meet conditions *(a)* to *(d)* there has to be an explanation either in the description or the pull request why it should be added to the list.
Self-promotion is frowned upon and will be reviewed critically but the suggestion will of course be approved if they criteria match.
Self-promotion is frowned upon and viewed critically, but your suggestion will of course be approved if the criteria match.
If a certain entry does not get accepted, you should first look if there has been a discussion before. These discussions are in the issue section and normally marked with the question tag. If there hasn't been such a topic, you are free to create a new issue tagged as question.
If your entry isn't accepted, please check the [Issues](https://github.com/akullpp/awesome-java/issues) for items marked with the "question" tag to see if it had been previously discussed. If nothing comes up, feel free to create a new issue, adding the "question" tag.
Furthermore, please ensure your pull request follows the following guidelines:
@ -26,7 +36,7 @@ Furthermore, please ensure your pull request follows the following guidelines:
* Please make an individual pull request for each suggestion.
* Use the following format for libraries: \[LIBRARY\]\(LINK\) - DESCRIPTION.
* Entries should be sorted in ascending alphabetical order, i.e. a to z.
* New categories, or improvements to the existing categorization are welcome.
* New categories or improvements to the existing categorization are welcome.
* Keep descriptions short, simple and unbiased.
* End all descriptions with a full stop/period.
* Check your spelling and grammar.

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README.md
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@ -67,6 +67,7 @@ A curated list of awesome Java frameworks, libraries and software.
- [Web Crawling](#web-crawling)
- [Web Frameworks](#web-frameworks)
- [Resources](#resources)
- [Awesome Lists](#awesome-lists)
- [Communities](#communities)
- [Frontends](#frontends)
- [Influential Books](#influential-books)
@ -83,13 +84,13 @@ A curated list of awesome Java frameworks, libraries and software.
* [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/) - Templates for HTML pages, emails or source code generation in general.
* [FreeMarker](http://freemarker.org/) - General templating engine without any heavyweight or opinionated dependencies.
* [GlassFish](https://glassfish.java.net/) - Application server and reference implementation for Java EE sponsored by Oracle.
* [GWT](http://www.gwtproject.org/) - Toolbox which includes a Java-to-JavaScript compiler for client-side code, XML parser, API for RPC, JUnit integration, internationalization support and widgets for the GUI.
* [FreeMarker](http://freemarker.org/) - General templating engine with no heavyweight or opinionated dependencies.
* [GlassFish](https://glassfish.java.net/) - 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 can be combined to create flexible expressions of intent.
* [HornetQ](http://hornetq.jboss.org/) - Clear, concise, modular and made to be embedded.
* [Hudson](http://hudson-ci.org/) - Continuous integration server still in active development.
* [Java Modeling Language (JML)](http://www.eecs.ucf.edu/~leavens/JML/) - Behavioral interface specification language that can be used to specify the behavior of code modules. It combines the design by contract approach of Eiffel and 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.
* [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](https://javaserverfaces.java.net/) - Oracle's open-source implementation of the JSF standard, Mojarra.
* [JavaServer Pages](https://jsp.java.net/) - Common templating for websites with custom tag libraries.
@ -105,43 +106,43 @@ A curated list of awesome Java frameworks, libraries and software.
* [Dozer](https://github.com/DozerMapper/dozer/) - Mapper that copies data from one object to another, using annotations, API or XML configuration.
* [JMapper](http://jmapper-framework.github.io/jmapper-core/) - Using byte code manipulation for lightning fast mapping. Supporting annotations, API or XML configuration.
* [MapStruct](https://github.com/mapstruct/mapstruct) - Code generator which simplifies mappings between different bean types, based on a convention over configuration approach.
* [ModelMapper](https://github.com/jhalterman/modelmapper) - ModelMapper is an intelligent object mapping library that automatically maps objects to each other.
* [Orika](https://github.com/orika-mapper/orika) - Orika is a Java Bean mapping framework that recursively copies (among other capabilities) data from one object to another.
* [Selma](https://github.com/xebia-france/selma) - Stupid Simple Statically Linked Mapper. Selma is an Annotation Processor Based bean mapper.
* [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) - Java Bean mapping framework that recursively copies (among other capabilities) data from one object to another.
* [Selma](https://github.com/xebia-france/selma) - Annotation processor-based bean mapper.
## Build
*Tools which handle the build cycle and dependencies of an application.*
*Tools that handle the build cycle and dependencies of an application.*
* [Apache Maven](http://maven.apache.org/) - Declarative build and dependency management which 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) - Build tool from Google that builds code quickly and reliably.
* [Gradle](http://gradle.org/) - Incremental builds which are programmed via Groovy instead of declaring XML. Works well with Maven's dependency management.
* [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.
## Bytecode Manipulation
*Libraries to manipulate bytecode programmatically.*
* [ASM](http://asm.ow2.org/) - All purpose, low level, bytecode manipulation and analysis.
* [ASM](http://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](http://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 the editing of bytecode.
* [Javassist](http://jboss-javassist.github.io/javassist/) - Tries to simplify bytecode editing.
## Caching
*Libraries which provide caching facilities.*
*Libraries that provide caching facilities.*
* [Caffeine](https://github.com/ben-manes/caffeine) - High performance, near optimal caching library.
* [Ehcache](http://www.ehcache.org/) - Distributed general purpose cache.
* [Caffeine](https://github.com/ben-manes/caffeine) - High-performance, near-optimal caching library.
* [Ehcache](http://www.ehcache.org/) - Distributed general-purpose cache.
## Cluster Management
*Frameworks which can dynamically manage applications inside of a cluster.*
*Frameworks that can dynamically manage applications inside of a cluster.*
* [Apache Aurora](http://aurora.apache.org/) - Apache Aurora is a Mesos framework for long-running services and cron jobs.
* [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.
* [Singularity](http://getsingularity.com/) - Singularity is a Mesos framework that makes deployment and operations easy. It supports web services, background workers, scheduled jobs, and one-off tasks.
* [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
@ -159,11 +160,11 @@ A curated list of awesome Java frameworks, libraries and software.
## Code Coverage
*Frameworks and tools that enable collection of code coverage metrics for test suites.*
*Frameworks and tools that enable code coverage metrics collection for test suites.*
* [Clover](https://www.atlassian.com/software/clover/overview) - Proprietary code coverage tool by Atlassian that 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; GPLv2 licensed.
* [JaCoCo](http://eclemma.org/jacoco/) - Framework that enables collection of code coverage metrics, using both offline and runtime bytecode instrumentation; prominently used by EclEmma, the Eclipse code-coverage plugin.
* [Clover](https://www.atlassian.com/software/clover/overview) - Proprietary code coverage tool by Atlassian that 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.
* [JaCoCo](http://eclemma.org/jacoco/) - Framework that enables collection of code coverage metrics, using both offline and runtime bytecode instrumentation.
## Code Generators
@ -171,21 +172,21 @@ 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) - Automatic generation of the Builder pattern.
* [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.
* [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 which aims to reduce verbosity.
* [Lombok](https://projectlombok.org/) - Code generator that aims to reduce verbosity.
## Command-line Argument Parsers
*Libraries that make it easy to parse command line options, arguments, etc.*
* [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 like arguments similar to javac.
* [JCommander](http://jcommander.org/) - Command line arguments 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. Does not use annotations, uses a fluent API instead.
* [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.
* [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.
## Compiler-compiler
@ -200,28 +201,28 @@ A curated list of awesome Java frameworks, libraries and software.
* [config](https://github.com/typesafehub/config) - Configuration library for JVM languages.
* [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.
- [KAConf](https://github.com/mariomac/kaconf) - Annotation-based configuration system for Java and Kotlin.
## Constraint Satisfaction Problem Solver
*Libraries that help on implementing optimization and satisfiability problems.*
*Libraries that help with implementing optimization and satisfiability problems.*
* [Choco](http://choco-solver.org/) - Off-the-shelf constraint satisfaction problem solver, which uses constraint programming techniques.
* [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.
## Continuous Integration
*Tools which support continuously building, testing and releasing applications.*
*Tools that support continuously building, testing and releasing applications.*
* [Bamboo ![c]](https://www.atlassian.com/software/bamboo) - Atlassian's solution with good integration of their other products. You can either apply for an open-source license or buy it.
* [Concourse](https://concourse.ci/) - Provides dockerized pipeline with configuration that can be saved in version control.
* [fabric8](http://fabric8.io/) - Integration platform for containers.
* [Go](https://www.thoughtworks.com/go/) - ThoughtWork's open-source solution.
* [Go](https://www.thoughtworks.com/go/) - ThoughtWorks' open-source solution.
* [Jenkins](http://jenkins-ci.org/) - Provides server-based deployment services.
* [Semaphore](https://semaphoreci.com) - Hosted CI/CD service, free for open-source and 100 private builds with native Docker support.
* [TeamCity](http://www.jetbrains.com/teamcity/) - JetBrain's CI solution with a free version.
* [TeamCity](http://www.jetbrains.com/teamcity/) - JetBrains' CI solution with a free version.
* [Travis](https://travis-ci.org) - Hosted service often used for open-source projects.
## CSV
@ -231,46 +232,49 @@ A curated list of awesome Java frameworks, libraries and software.
* [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.
* [uniVocity-parsers](https://github.com/uniVocity/univocity-parsers) - One of the fastest and most feature-complete CSV. Also comes with parsers for TSV and fixed width records.
* [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 which simplifies interactions with the database.*
*Everything that simplifies interactions with the database.*
* [Apache Hive](https://hive.apache.org/) - Data warehouse infrastructure built on top of Hadoop.
* [Apache Phoenix](http://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.
* [Apache Phoenix](http://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.
* [HikariCP](https://github.com/brettwooldridge/HikariCP) - High performance JDBC connection pool.
* [H2](http://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) - A small client for interaction with redis, with methods for commands.
* [Jedis](https://github.com/xetorthio/jedis) - A small client for interaction with Redis, with methods for commands.
* [jetcd](https://github.com/justinsb/jetcd) - A client library for etcd.
* [jOOQ](http://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 which requires no installation or external dependencies.
* [MariaDB4j](https://github.com/vorburger/MariaDB4j/) - Launcher for MariaDB that requires no installation or external dependencies.
* [Presto](https://github.com/prestodb/presto) - Distributed SQL query engine for big data.
* [Querydsl](http://www.querydsl.com/) - Typesafe unified queries.
* [Realm](https://github.com/realm/realm-java) - Mobile database to run directly inside phones, tablets or wearables.
* [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, perform queries and updates from any platform that uses Java.
* [Speedment](https://github.com/speedment/speedment) - Database access library that utilizes the Java 8 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 which offers advanced performance monitoring capabilities.
* [Vibur DBCP](http://www.vibur.org/) - JDBC connection pool library with advanced performance monitoring capabilities.
## Data structures
## Data Structures
*Efficient and specific data structures.*
* [Apache Avro](https://avro.apache.org/) - Data interchange format featuring among others: dynamic typing, untagged data, 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 the Dremel paper by Google.
* [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 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 file.
* [Persistent Collection](http://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.
* [Wire](https://github.com/square/wire) - Clean, lightweight protocol buffers.
## Date and Time
@ -289,9 +293,10 @@ A curated list of awesome Java frameworks, libraries and software.
* [Apache DeltaSpike](https://deltaspike.apache.org/) - CDI extension framework.
* [Dagger2](http://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 but powerful framework that completes Dagger.
* [HK2](https://hk2.java.net) - Light-weight and dynamic dependency injection framework.
* [Guice](https://github.com/google/guice) - Lightweight and opinionated framework that completes Dagger.
* [HK2](https://hk2.java.net) - Lightweight and dynamic dependency injection framework.
## Development
@ -310,7 +315,6 @@ A curated list of awesome Java frameworks, libraries and software.
*Libraries and frameworks for writing distributed and fault-tolerant applications.*
* [Akka](http://akka.io) - Toolkit and runtime for building concurrent, distributed, and fault tolerant event-driven applications.
* [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.
* [Atomix](http://atomix.io/atomix/) - Fault-tolerant distributed coordination framework.
@ -320,8 +324,8 @@ A curated list of awesome Java frameworks, libraries and software.
* [Hazelcast ![c]](http://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 creating clusters.
* [Orbit](http://www.orbit.cloud/) - Virtual actors; adds another level of abstraction to traditional actors.
* [Ribbon](https://github.com/Netflix/ribbon) - Client side IPC library that is battle-tested in cloud.
* [Orbit](http://www.orbit.cloud/) - Virtual Actors, adding another level of abstraction to traditional actors.
* [Quasar](http://www.paralleluniverse.co/quasar/) - Lightweight threads and actors for the JVM.
* [Zuul](https://github.com/Netflix/zuul) - A gateway service that provides dynamic routing, monitoring, resiliency, security, and more.
@ -331,19 +335,19 @@ A curated list of awesome Java frameworks, libraries and software.
* [Apache Cassandra](http://cassandra.apache.org) - Column-oriented and providing 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 excel at aggregation and approximation queries.
* [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 datastore 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.
## Distribution
*Tools which handle the distribution of applications in native formats.*
*Tools that handle the distribution of applications in native formats.*
* [Bintray ![c]](https://bintray.com/) - Version control for binaries which handles the publishing. Can also be used with Maven or Gradle and has a free plan for open-source software or several business plans.
* [Boxfuse](https://boxfuse.com) - Deployment of JVM application 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.
* [Bintray ![c]](https://bintray.com/) - Version control for binaries that handle publishing. Compatible with Maven or Gradle, and has 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.
* [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.
@ -356,7 +360,7 @@ A curated list of awesome Java frameworks, libraries and software.
* [Apache POI](http://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) - Creating and manipulating Microsoft Open XML files.
* [docx4j](http://www.docx4java.org/trac/docx4j) - Create and manipulate Microsoft Open XML files.
## Formal Verification
@ -364,10 +368,10 @@ A curated list of awesome Java frameworks, libraries and software.
* [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/) - Daikon detects likely program invariants and can generate JML specs based on those invariants.
* [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.
* [JMLOK 2.0](http://massoni.computacao.ufcg.edu.br/home/jmlok) - Detects nonconformances between code and JML specification through the feedback-directed random tests generation, and suggests a likely cause for each nonconformance detected.
* [KeY](http://key-project.org/) - The KeY System is a 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.
* [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.
## Functional Programming
@ -378,9 +382,9 @@ A curated list of awesome Java frameworks, libraries and software.
* [derive4j](https://github.com/derive4j/derive4j) - Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching, morphisms.
* [Fugue](https://bitbucket.org/atlassian/fugue) - Functional extensions to Guava.
* [Functional Java](http://www.functionaljava.org) - Implements numerous basic and advanced programming abstractions that assist composition-oriented development.
* [jOOλ](https://github.com/jOOQ/jOOL) - Extension to Java 8 which aims to fix gaps in lambda, providing numerous missing types and a rich set of sequential Stream API additions.
* [jOOλ](https://github.com/jOOQ/jOOL) - Extension to Java 8 that aims to fix gaps in lambda by providing numerous missing types and a rich set of sequential Stream API additions.
* [protonpack](https://github.com/poetix/protonpack) - Collection of stream utilities.
* [StreamEx](https://github.com/amaembo/streamex) - Enhancing Java 8 Streams.
* [StreamEx](https://github.com/amaembo/streamex) - Enhances Java 8 Streams.
* [Vavr](http://www.vavr.io/) - Functional component library that provides persistent data types and functional control structures.
## Game Development
@ -401,9 +405,9 @@ A curated list of awesome Java frameworks, libraries and software.
* [GeoTools](http://geotools.org/) - Library that provides tools for geospatial data.
* [GraphHopper](https://github.com/graphhopper/graphhopper) - Road routing engine. Used as 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 that can assist Java developers in using the GeoHash algorithm.
* [Mapsforge](https://github.com/mapsforge/mapsforge/) - Software for the rendering of maps based on OpenStreetMap data.
* [Spatial4j](https://github.com/locationtech/spatial4j/) - General purpose spatial/geospatial ASL licensed open-source Java library.
* [Jgeohash](http://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.
## GUI
@ -411,7 +415,7 @@ A curated list of awesome Java frameworks, libraries and software.
* [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 (SWT) is a graphical widget toolkit for use with the Java platform.
* [SWT](http://www.eclipse.org/swt/) - The Standard Widget Toolkit, a graphical widget toolkit.
## High Performance
@ -436,31 +440,33 @@ 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-souce project with support for lots of plugins and languages.
* [IntelliJ IDEA ![c]](http://www.jetbrains.com/idea/) - Supports a lot of 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.
* [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.
* [NetBeans](https://netbeans.org/) - Provides integration for several Java SE and EE features, from database access to HTML5.
## Imagery
*Libraries that assist with the creation, evaluation or manipulation of graphical images.*
* [Imgscalr](https://github.com/thebuzzmedia/imgscalr) - Simple and efficient hardware-accelerated image-scaling library implemented in pure Java 2D.
* [Imgscalr](https://github.com/thebuzzmedia/imgscalr) - Simple, efficient and hardware-accelerated image-scaling library implemented in pure Java 2D.
* [Tess4J](https://github.com/nguyenq/tess4j) - A JNA wrapper for Tesseract OCR API.
* [Thumbnailator](https://github.com/coobird/thumbnailator) - Thumbnailator is a high-quality thumbnail generation library for Java.
* [TwelveMonkeys](https://github.com/haraldk/TwelveMonkeys) - Collection of plugins which extend the number of supported image file formats.
* [Thumbnailator](https://github.com/coobird/thumbnailator) - High-quality thumbnail generation library.
* [TwelveMonkeys](https://github.com/haraldk/TwelveMonkeys) - Collection of plugins that extend the number of supported image file formats.
* [ZXing](https://github.com/zxing/zxing) - Multi-format 1D/2D barcode image processing library.
## JSON
*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.
* [HikariJSON](https://github.com/brettwooldridge/HikariJSON) - High-performance JSON parser, 2x faster than Jackson.
* [Genson](http://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.
* [Jackson-datatype-money](https://github.com/zalando/jackson-datatype-money) - Open-source Jackson module to support JSON serialization and deserialization of JavaMoney data types.
* [Jackson](http://wiki.fasterxml.com/JacksonHome) - Similar to GSON but has performance gains if you need to instantiate the library more often.
* [Jackson](http://wiki.fasterxml.com/JacksonHome) - Similar to GSON, but offers performance gains if you need to instantiate the library more often.
* [JSON-io](https://github.com/jdereg/json-io) - Convert Java to JSON. Convert JSON to Java. Pretty print JSON. Java JSON serializer.
* [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.
## JSON Processing
@ -468,17 +474,17 @@ A curated list of awesome Java frameworks, libraries and software.
* [fastjson](https://github.com/alibaba/fastjson) - Very fast processor with no additional dependencies and full data binding.
* [Jolt](https://github.com/bazaarvoice/jolt) - JSON to JSON transformation tool.
* [JsonPath](https://github.com/jayway/JsonPath) - Extract data from JSON using XPATH like syntax.
* [JsonPath](https://github.com/jayway/JsonPath) - Extract data from JSON using XPATH-like syntax.
* [JsonSurfer](https://github.com/jsurfer/JsonSurfer) - Streaming JsonPath processor dedicated to processing big and complicated JSON data.
## JVM and JDK
*Current implementations of the JVM/JDK.*
* [Avian](https://github.com/ReadyTalk/avian) - JVM with both a JIT & AOT modes. Includes an iOS port.
* [Avian](https://github.com/ReadyTalk/avian) - JVM with both JIT and AOT modes. Includes an iOS port.
* [JDK 9](https://jdk9.java.net/) - Early access releases of JDK 9.
* [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.
* [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.
@ -492,31 +498,31 @@ A curated list of awesome Java frameworks, libraries and software.
* [Logback](http://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 which is to be used with an implementation.
* [SLF4J](http://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.
## Machine Learning
*Tools that provide specific statistical algorithms which allow learning from data.*
*Tools that provide specific statistical algorithms for learning from data.*
* [Apache Flink](https://flink.apache.org/) - Fast and reliable large-scale data processing engine.
* [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](http://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.
* [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) - A framework for building real-time large scale machine learning applications, which also includes end-to-end applications for collaborative filtering, classification, regression, and clustering.
* [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.
## Messaging
*Tools that help to send messages between clients in order to ensure protocol independency.*
*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.
* [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.
@ -530,8 +536,8 @@ 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.)
* [CQEngine](https://github.com/npgall/cqengine) - Ultra-fast SQL-like queries on Java collections.
* [Codename One](https://www.codenameone.com/) - Cross-platform solution for writing native mobile (iOS, Android, etc.) 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.
* [J2ObjC](https://github.com/google/j2objc) - Java to Objective-C translator for porting Android libraries to iOS.
@ -543,11 +549,11 @@ A curated list of awesome Java frameworks, libraries and software.
* [JPad](http://jpad.io/) - Snippet runner.
* [Lanterna](https://github.com/mabe02/lanterna) - Easy console text GUI library similar to curses.
* [LightAdmin](http://lightadmin.org/) - Pluggable CRUD UI library for rapid application development.
* [Membrane Service Proxy](https://github.com/membrane/service-proxy) - An open source, reverse proxy framework written in Java.
* [Membrane Service Proxy](https://github.com/membrane/service-proxy) - An open-source, reverse proxy framework written in Java.
* [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 the POM model to be written in dialects other than XML.
* [Polyglot for Maven](https://github.com/takari/polyglot-maven/) - Extensions for Maven 3.3.1+ that allow the POM model to be written in dialects other than XML.
* [TypeTools](https://github.com/jhalterman/typetools) - Tools for resolving generic types.
## Microservice
@ -555,32 +561,31 @@ A curated list of awesome Java frameworks, libraries and software.
*Tools for managing microservices, i.e. creation, coordination or discovery.*
* [Apollo](https://spotify.github.io/apollo/) - Libraries for writing composable microservices.
* [consul-api](https://github.com/Ecwid/consul-api) - Client for the [Consul](https://www.consul.io/) API a distributed, highly available and datacenter-aware registry/discovery service.
* [Eureka](https://github.com/Netflix/eureka) - REST based service registry for resilient load balancing and failover.
* [consul-api](https://github.com/Ecwid/consul-api) - Client for the [Consul](https://www.consul.io/) API: a distributed, highly available and datacenter-aware registry/discovery service.
* [Eureka](https://github.com/Netflix/eureka) - REST-based service registry for resilient load balancing and failover.
* [Lagom](https://www.lightbend.com/lagom) - Framework for creating microservice-based systems.
* [restQL-core](https://github.com/B2W-BIT/restQL-core) - Microservice query language that fetches information from multiple services.
* [SnopEE](https://github.com/ivargrimstad/snoop) - Discovery service for Java EE microservices.
## Monitoring
*Tools that monitor applications in production.*
* [AppDynamics ![c]](https://www.appdynamics.com/) - Performance monitor.
* [Glowroot](https://glowroot.org/) - Open-source Java APM.
* [Automon](https://github.com/stevensouza/automon) - Combines the power of AOP with monitoring and/or logging tools.
* [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.
* [jmxtrans](https://github.com/jmxtrans/jmxtrans/) - Tool to connect to multiple JVMs and to query them for their attributes via JMX. Its query language is based on JSON, which allows non-Java programmers to access the JVMs attributes. Likewise, this tool supports different output writes, including Graphite, Ganglia, StatsD, among others.
* [jmxtrans](https://github.com/jmxtrans/jmxtrans/) - Connect to multiple JVMs and query them for their attributes via JMX. Its query language is based on JSON, which allows non-Java programmers to access the JVM attributes. Supports different output writes, including Graphite, Ganglia, and StatsD.
* [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 can send them to a database.
* [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.
* [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.
* [OverOps ![c]](https://www.overops.com/) - In-production error monitoring and debugging.
* [Pinpoint](https://github.com/naver/pinpoint) - Open-source APM tool.
* [Prometheus](https://prometheus.io/) - Provides a multi-dimensional data model, DSL, autonomous server nodes and much more.
* [SPM ![c]](https://sematext.com/spm/) - Performance monitor with distributing transaction tracing for JVM apps.
* [Stagemonitor](https://github.com/stagemonitor/stagemonitor) - Open source performance monitoring and transaction tracing for JVM apps.
* [Stagemonitor](https://github.com/stagemonitor/stagemonitor) - Open-source performance monitoring and transaction tracing for JVM apps.
* [Sysmon](https://github.com/palantir/Sysmon) - Lightweight platform monitoring tool for Java VMs.
## Native
@ -592,11 +597,11 @@ A curated list of awesome Java frameworks, libraries and software.
## Natural Language Processing
*Libraries that specialize on processing text.*
*Libraries that specialize in processing text.*
* [CoreNLP](http://nlp.stanford.edu/software/corenlp.shtml) - Stanford's CoreNLP provides a set of fundamental tools for tasks like tagging, named entity recognition, sentiment analysis and many more.
* [DKPro](https://dkpro.github.io/) - A collection of re-usable NLP tools for linguistic pre-processing, machine learning, lexical resources, etc.
* [LingPipe](http://alias-i.com/lingpipe/) - Toolkit for a variety of tasks ranging from POS tagging to sentiment analysis.
* [CoreNLP](http://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.
## Networking
@ -604,20 +609,20 @@ 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.
* [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 used to construct high-concurrency servers. It implements uniform client and server APIs for several protocols, and is protocol agnostic, which simplifies the implementation of new protocols.
* [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](https://grizzly.java.net/) - NIO framework. Used as a network layer in Glassfish.
* [gRPC](https://github.com/grpc/grpc-java) - RPC framework based on protobuf and HTTP/2.
* [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.
* [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.
* [Nifty](https://github.com/facebook/nifty) - Implementation of Thrift clients and servers on Netty.
* [OkHttp](http://square.github.io/okhttp/) - HTTP+SPDY client.
* [Riptide](https://github.com/zalando/riptide) - Client-side response routing for Spring's RestTemplate.
* [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) - Java library for representing, parsing and encoding URNs as in RFC 2141.
* [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.
## ORM
*APIs which handle the persistence of objects.*
*APIs that handle the persistence of objects.*
* [Apache Cayenne](http://cayenne.apache.org/) - Provides clean, static API for data access. Also includes GUI Modeler for working with database mappings, DB reverse engineering and generation.
* [Ebean](http://ebean-orm.github.io/) - Provides simple and fast data access.
@ -629,23 +634,23 @@ A curated list of awesome Java frameworks, libraries and software.
*Java platform as a service.*
* [AWS Elastic Beanstalk ![c]](https://aws.amazon.com/elasticbeanstalk/) - AWS-based with support for Tomcat and Jetty.
* [AWS Elastic Beanstalk ![c]](https://aws.amazon.com/elasticbeanstalk/) - AWS-based, with support for Tomcat and Jetty.
* [AWS Lambda ![c]](https://aws.amazon.com/lambda/) - Serverless computation.
* [Google App Engine ![c]](https://cloud.google.com/) - PaaS on Google's infrastructure.
* [Heroku ![c]](https://www.heroku.com/) - Abstract computing environments.
* [Jelastic ![c]](https://jelastic.com/) - Supports Tomcat, Jetty, GlassFish, JBoss, TomEE and WildFly.
* [OpenShift Enterprise ![c]](https://www.openshift.com/) - On premise solution.
* [OpenShift Enterprise ![c]](https://www.openshift.com/) - On-premise solution.
## PDF
*Everything that helps with the creation of PDF files.*
*Tools to help with PDF file creation.*
* [Apache FOP](http://xmlgraphics.apache.org/fop/) - Creates PDF from XSL-FO.
* [Apache PDFBox](http://pdfbox.apache.org/) - Toolbox for creating and manipulating PDF.
* [Apache FOP](http://xmlgraphics.apache.org/fop/) - Creates PDFs from XSL-FO.
* [Apache PDFBox](http://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](http://itextpdf.com/) - Creates PDF files programmatically but requires a license for commercial purposes.
* [iText ![c]](http://itextpdf.com/) - Creates PDF files programmatically.
* [JasperReports](http://community.jaspersoft.com/project/jasperreports-library) - Complex reporting engine.
## Performance analysis
@ -677,6 +682,7 @@ 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.
* [Reactive Streams](https://github.com/reactive-streams/reactive-streams-jvm/) - Provide 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.
@ -690,7 +696,6 @@ A curated list of awesome Java frameworks, libraries and software.
* [Feign](https://github.com/Netflix/feign) - HTTP client binder inspired by Retrofit, JAXRS-2.0, and WebSocket.
* [Jersey](https://jersey.java.net/) - JAX-RS reference implementation.
* [Microserver](https://github.com/aol/micro-server) — A convenient extensible Microservices plugin system for Spring & Spring Boot, with over 30 plugins and growing, that supports both micro-monolith and pure microservices styles.
* [RAML](http://raml.org/) - Modeling language to generate REST APIs with contract first.
* [Rapidoid](http://www.rapidoid.org/) - A simple, secure and extremely fast framework consisting of embedded HTTP server, GUI components and dependency injection.
* [rest.li](https://github.com/linkedin/rest.li) - Framework for building robust, scalable RESTful architectures using type-safe 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.
@ -698,7 +703,6 @@ A curated list of awesome Java frameworks, libraries and software.
* [Restlet Framework](https://github.com/restlet/restlet-framework-java/) - Pioneering framework with powerful routing and filtering capabilities, unified client and server API.
* [Retrofit](http://square.github.io/retrofit/) - Type-safe REST client.
* [Spark](http://sparkjava.com/) - Sinatra inspired framework.
* [Swagger](http://swagger.io/) - Swagger is a specification and complete framework implementation for describing, producing, consuming, and visualizing RESTful web services.
## Science
@ -709,6 +713,8 @@ A curated list of awesome Java frameworks, libraries and software.
* [GraphStream](http://graphstream-project.org/) - Library for modeling and analysis of dynamic graphs.
* [JGraphT](https://github.com/jgrapht/jgrapht) - Graph library that provides mathematical graph-theory objects and algorithms.
* [JGraphX](https://github.com/jgraph/jgraphx) - Library for visualisation (mainly Swing) and interaction with node-edge graphs.
* [Mines Java Toolkit](https://github.com/MinesJTK/jtk) - Library for geophysical scientific computation, visualization and digital signal analysis.
* [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
@ -771,10 +777,12 @@ A curated list of awesome Java frameworks, libraries and software.
* [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.
* [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 with focus on client- and serverside messaging.
* [ConcurrentUnit](https://github.com/jhalterman/concurrentunit) - Toolkit for testing multi-threaded and asynchronous applications.
* [Cucumber](https://github.com/cucumber/cucumber-jvm) - BDD testing framework.
* [Cukes-REST](https://github.com/ctco/cukes-rest) - A collection of Gherkin steps for REST-service testing using Cucumber.
* [Galen](https://github.com/galenframework/galen) - Layout and functional testing framework for websites.
* [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/) - J8Spec is a library that allows tests written in Java to follow the BDD style introduced by RSpec and Jasmine.
@ -795,9 +803,11 @@ A curated list of awesome Java frameworks, libraries and software.
* [pojo-tester](http://www.pojo.pl/) - Automatically performs tests on basic POJO-methods.
* [PowerMock](https://github.com/jayway/powermock) - Enables mocking of 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 for REST/HTTP services.
* [Selenide](http://selenide.org/) - Concise API around Selenium to write stable and readable UI tests.
* [Selenium](http://docs.seleniumhq.org/) - Portable software testing framework for web applications.
* [Spock](https://github.com/spockframework/spock) - Spock is a developer testing and specification framework for Java and Groovy applications.
* [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.
@ -841,7 +851,6 @@ A curated list of awesome Java frameworks, libraries and software.
* [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.
* [Baratine](http://baratine.io) - Toolkit for building distributed and reactive applications for multiple environments, either standalone or embedded.
* [Blade](https://github.com/biezhi/blade) - Lightweight, modular framework which aims to be elegant and simple.
* [Bootique](http://bootique.io/) - Minimally opinionated framework for runnable apps.
* [Grails](https://grails.org/) - Groovy framework with the aim to provide a highly productive environment by favoring convention over configuration, no XML and support for mixins.
@ -856,6 +865,15 @@ A curated list of awesome Java frameworks, libraries and software.
# Resources
## Awesome Lists
*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 REST](https://github.com/marmelab/awesome-rest)
- [Useful Java Links](https://github.com/Vedenin/useful-java-links)
## Communities
*Active discussions.*