diff --git a/README.md b/README.md index 169c259..bd1414e 100644 --- a/README.md +++ b/README.md @@ -3,7 +3,8 @@ A curated list of awesome Java frameworks, libraries and software. - [Awesome Java](#awesome-java) - - [Build Tool](#build-tool) + - [Ancients](#ancients) + - [Build](#build) - [Bytecode Manipulation](#bytecode-manipulation) - [Cluster Management](#cluster-management) - [Code Analysis](#code-analysis) @@ -29,6 +30,7 @@ A curated list of awesome Java frameworks, libraries and software. - [Imagery](#imagery) - [JSON](#json) - [JVM and JDK](#jvm-and-jdk) + - [Languages](#languages) - [Logging](#logging) - [Machine Learning](#machine-learning) - [Messaging](#messaging) @@ -59,16 +61,30 @@ A curated list of awesome Java frameworks, libraries and software. - [Websites](#websites) - [Contributing](#contributing) -## Build Tool +## Ancients -*Tools which handle the buildcycle of an application.* +*In existence since the beginning of time and wich will continue being used long after the hype has waned.* -* [Apache Maven](http://maven.apache.org/) - Declarative build and dependency management which favors convention over configuration. It's preferable to Apache Ant which uses a rather procedural approach and can be difficult to maintain. -* [Gradle](http://www.gradle.org/) - Incremental builds which are programmed via Groovy instead of declaring XML. Works well with Maven's dependency management and treats Ant scripts as first-class citizens. +* [Apache Ant](http://ant.apache.org/) - Build process management with XML. +* [cglib](https://github.com/cglib/cglib) - Bytecode generation library. +* [GlassFish](https://glassfish.java.net/) - Application server and reference implementation for Java EE sponsored by Oracle. +* [Hudson](http://hudson-ci.org/) - Continuous integration server still in active development. +* [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. +* [Liquibase](http://www.liquibase.org/) - Database-independent library for tracking, managing and applying database schema changes. + + +## Build + +*Tools which handle the buildcycle 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://www.gradle.org/) - Incremental builds which are programmed via Groovy instead of declaring XML. Works well with Maven's dependency management. ## Bytecode Manipulation -*Libraries to manipulate Java bytecode programmatically.* +*Libraries to manipulate bytecode programmatically.* * [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. @@ -85,10 +101,11 @@ A curated list of awesome Java frameworks, libraries and software. *Tools that provide metrics and quality measurements.* -* [Checkstyle](http://checkstyle.sourceforge.net/) - Static analysis of coding conventions and standards. -* [Error Prone](https://github.com/google/error-prone) - Catches common Java mistakes as compile-time errors. +* [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. -* [PMD](http://pmd.sourceforge.net/) - Source code analysis of bad coding practices. +* [jQAssistant](http://jqassistant.org/) - Static code analysis with Neo4J-based query language. +* [PMD](https://github.com/pmd/pmd) - Source code analysis for finding bad coding practices. * [SonarQube](http://www.sonarqube.org/) - Integrates other analysis components via plugins and provides an overview of the metrics over time. ## Compiler-compiler @@ -103,137 +120,143 @@ A curated list of awesome Java frameworks, libraries and software. *Libraries that provide external configuration.* * [config](https://github.com/typesafehub/config) - Configuration library for JVM languages. +* [owner](https://github.com/lviggiano/owner) - Reduces boilerplate of properties. ## Constraint Satisfaction Problem Solver *Libraries that help on implementing optimization and satisfiability problems.* -* [Choco](http://choco-solver.org/) - An off-the-shelf constraint satisfaction problem solver, which uses constraint programming techniques to solve constraint satisfaction problems. -* [JaCoP](https://github.com/radsz/jacop/) - A constraint programming solver that includes an interface for the [FlatZinc language](https://www.minizinc.org/downloads/doc-1.6/flatzinc-spec.pdf), enabling it to execute [MiniZinc](http://www.minizinc.org/) models. -* [OptaPlanner](http://www.optaplanner.org/) - A business planning and resource scheduling optimization solver. -* [Sat4J](http://www.sat4j.org/) - A state-of-the-art SAT solver for boolean and optimization problems in Java. +* [Choco](http://choco-solver.org/) - Off-the-shelf constraint satisfaction problem solver, which 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. +* [Sat4J](http://www.sat4j.org/) - State-of-the-art SAT solver for boolean and optimization problems. ## Continuous Integration *Tools which support continuously building, testing and releasing applications.* -* [Bamboo](https://www.atlassian.com/software/bamboo) - Atlassian's solution with good integration of other products. You can either apply for an Open Source license or buy it. +* [Bamboo](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. * [CircleCI](https://circleci.com/) - Hosted service with a free trial. * [Codeship](https://www.codeship.io/features) - Hosted services with a limited free plan. -* [Go](http://www.thoughtworks.com/products/go-continuous-delivery) - ThoughtWork's CI open source solution. +* [fabric8](http://fabric8.io/) - Integration platform for containers. +* [Go](http://www.thoughtworks.com/products/go-continuous-delivery) - ThoughtWork's open-source solution. * [Jenkins](http://jenkins-ci.org/) - Provides server-based deployment services. * [TeamCity](http://www.jetbrains.com/teamcity/) - JetBrain's CI solution with a free version. -* [Travis](https://travis-ci.org) - Hosted service often used for open source projects. +* [Travis](https://travis-ci.org) - Hosted service often used for open-source projects. ## CSV *Frameworks and libraries that simplify reading/writing CSV data.* -* [uniVocity-parsers](https://github.com/uniVocity/univocity-parsers) - One of the fastest and most feature-complete CSV parsers for Java. 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 CSV. Also comes with parsers for TSV and fixed width records. ## Database *Everything which simplifies interactions with the database.* * [Apache Phoenix](http://phoenix.apache.org/) - High performance relational database layer over HBase for low latency applications. -* [Crate](https://crate.io/) - A distributed data store that implements data synchronization, sharding, scaling, and replication. In addition, it provides a SQL-based syntax to execute queries across a cluster. -* [Flyway](http://flywaydb.org/) - Simple database migration with Java API. +* [Crate](https://crate.io/) - Distributed data store that implements data synchronization, sharding, scaling, and replication. In addition, it provides a SQL-based syntax to execute queries across a cluster. +* [Flyway](http://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. * [JDBI](http://jdbi.org/) - Convenient abstraction of JDBC. * [jOOQ](http://www.jooq.org/) - Generates typesafe code based on SQL schema. -* [Liquibase](http://www.liquibase.org/) - An open source database-independent library for tracking, managing and applying database schema changes. -* [MapDB](http://www.mapdb.org/) - An embedded database engine that provides concurrent Java collections backed on disk or in off-heap memory. +* [MapDB](http://www.mapdb.org/) - Embedded database engine that provides concurrent collections backed on disk or in off-heap memory. * [Presto](https://github.com/facebook/presto) - Distributed SQL query engine for big data. -* [Querydsl](http://www.querydsl.com/) - Typesafe unified queries for Java. +* [Querydsl](http://www.querydsl.com/) - Typesafe unified queries. ## Data structures -* [Apache Parquet](https://parquet.incubator.apache.org/) - A columnar storage format based on assembly algorithms from the Dremel paper by Google. -* [Protobuf](https://github.com/google/protobuf) - Protocol Buffers - Google's data interchange format. +*Efficient and specific data structures.* + +* [Apache Parquet](https://parquet.incubator.apache.org/) - Columnar storage format based on assembly algorithms from the Dremel paper by Google. +* [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. -* [Wire](https://github.com/square/wire) - Clean, lightweight protocol buffers for Android and Java. +* [Wire](https://github.com/square/wire) - Clean, lightweight protocol buffers. ## Date and Time *Libraries related to handling date and time.* * [Joda-Time](http://www.joda.org/joda-time/) - De facto standard date/time-library before Java 8. -* [Time4J](https://github.com/MenoData/Time4J) - Advanced date and time library for Java. +* [Time4J](https://github.com/MenoData/Time4J) - Advanced date and time library. ## Dependency Injection *Libraries that help to realize the [Inversion of Control](http://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. * [Guice](https://github.com/google/guice) - Lightweight but powerful framework that completes Dagger. -* [HK2](https://hk2.java.net) - A light-weight and dynamic dependency injection framework. +* [HK2](https://hk2.java.net) - Light-weight and dynamic dependency injection framework. ## Development *Augmentation of the development process at a fundamental level.* -* [ADT4J](https://github.com/sviperll/adt4j) - Algebraic Data Types for Java (JSR-269 code generator). +* [ADT4J](https://github.com/sviperll/adt4j) - JSR-269 code generator for algebraic data types. * [AspectJ](https://eclipse.org/aspectj/) - Seamless aspect-oriented programming extension. * [Auto](https://github.com/google/auto) - Collection of source code generators. * [DCEVM](http://dcevm.github.io/) - Modification of the JVM that allows unlimited redefinition of loaded classes at runtime. -* [Immutables](http://immutables.github.io/) - Scala-like case classes in standard Java. -* [JHipster](https://github.com/jhipster/generator-jhipster) - A [Yeoman](http://yeoman.io/) source code generator to create Java applications based on [Spring Boot](http://projects.spring.io/spring-boot/) and [AngularJS](https://angularjs.org/). +* [HotswapAgent](https://github.com/HotswapProjects/HotswapAgent) - Unlimited runtime class and resource redefinition. +* [Immutables](http://immutables.github.io/) - Scala-like case classes. +* [JHipster](https://github.com/jhipster/generator-jhipster) - Yeoman source code generator to create applications based on Spring Boot and AngularJS. * [JRebel](http://zeroturnaround.com/software/jrebel/) - Commercial software that instantly reloads code and configuration changes without redeploys. -* [Lombok](http://projectlombok.org/) - Code-generator which aims to reduce the verbosity of Java. -* [Spring Loaded](https://github.com/spring-projects/spring-loaded) - Another class reloading agent for the JVM. -* [vert.x](http://vertx.io/) - Polyglot event-driven application framework for the JVM. +* [Lombok](http://projectlombok.org/) - Code-generator which aims to reduce the verbosity. +* [Spring Loaded](https://github.com/spring-projects/spring-loaded) - Class reloading agent. +* [vert.x](http://vertx.io/) - Polyglot event-driven application framework. ## Distributed Applications *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.incubator.apache.org/) - Distributed realtime computation system. +* [Apache Storm](http://storm.incubator.apache.org/) - Realtime computation system. * [Apache ZooKeeper](http://zookeeper.apache.org/) - Coordination service with distributed configuration, synchronization, and naming registry for large distributed systems. -* [Hazelcast](http://hazelcast.org/) - Distributed and highly scalable in-memory datagrid. -* [Hystrix](https://github.com/Netflix/Hystrix) - Latency and Fault Tolerance for Distributed Systems. -* [JGroups](http://www.jgroups.org/) - Toolkit for reliable messaging and creating clusters whose nodes can send messages to each other. -* [Orbit](http://orbit.bioware.com/) - Virtual Actors, adding another level of abstraction to traditional Actors. +* [Hazelcast](http://hazelcast.org/) - Highly scalable in-memory datagrid. +* [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://orbit.bioware.com/) - Virtual Actors, adding another level of abstraction to traditional actors. * [Quasar](http://www.paralleluniverse.co/quasar/) - Lightweight threads and actors for the JVM. ## Distributed Databases *Databases in a distributed system that appear to applications as a single data source.* -* [Apache Cassandra](http://cassandra.apache.org) - Apache Cassandra is a distributed column-oriented database providing high availability with no single point of failure. -* [Apache HBase](http://hbase.apache.org) - Apache HBase is the Hadoop database, a distributed, scalable, big data store. -* [Infinispan](http://infinispan.org/) - Distributed and highly concurrent key/value datastore used for caching. +* [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. +* [Infinispan](http://infinispan.org/) - Highly concurrent key/value datastore used for caching. ## Distribution -*Tools which handle the distribution of Java applications in native formats.* +*Tools which handle the distribution of applications in native formats.* -* [Bintray](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. -* [Central Repository](http://search.maven.org/) - Largest binary component repository available as [a free service to the open source community](http://central.sonatype.org). Default used by Apache Maven and available in all other build tools. +* [Bintray](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. +* [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. * [Launch4j](http://launch4j.sourceforge.net/) - Wraps JARs in lightweight and native Windows executables. * [Nexus](http://www.sonatype.com/nexus) - Binary management with proxy and caching capabilities. -* [packr](https://github.com/libgdx/packr/) - Packs your JAR, assets and JVM for native distribution on Windows, Linux and Mac OS X. +* [packr](https://github.com/libgdx/packr/) - Packs JARs, assets and the JVM for native distribution on Windows, Linux and Mac OS X. ## Document Processing *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). -* [documents4j](http://documents4j.com) - Java API for document format conversion using third-party converters such as MS Word. +* [documents4j](http://documents4j.com) - API for document format conversion using third-party converters such as MS Word. * [jOpenDocument](http://www.jopendocument.org/) - Processes the OpenDocument format. ## Functional Programming -*Libraries that facilitate functional programming in Java.* +*Libraries that facilitate functional programming.* -* [Cyclops](https://github.com/aol/cyclops) - Monad and stream utils, comprehensions, pattern matching, trampolines, etc for Java 8. -* [Fugue](https://bitbucket.org/atlassian/fugue) - Functional extensions to Guava and Java 8. -* [Functional Java](http://www.functionaljava.org) - Implements numerous basic and advanced programming abstractions that assist composition oriented development. -* [Javaslang](http://javaslang.com) - Functional component library built for Java 8+ that provides persistent data types and functional control structures. -* [jOOλ](https://github.com/jOOQ/jOOL) - An extension to Java 8 which aims to fix gaps in lambda, providing numerous missing types and a rich set of sequential Stream API additions. +* [Cyclops](https://github.com/aol/cyclops) - Monad and stream utilities, comprehensions, pattern matching, trampolines and much more. +* [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. +* [Javaslang](http://javaslang.com) - Functional component library that provides persistent data types and functional control structures. +* [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. ## Game Development @@ -254,12 +277,13 @@ A curated list of awesome Java frameworks, libraries and software. *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. -* [fastutil](http://fastutil.di.unimi.it/) - Fast and compact type-specific collections for Java. +* [fastutil](http://fastutil.di.unimi.it/) - Fast and compact type-specific collections. * [GS Collections](https://github.com/goldmansachs/gs-collections) - Collection framework inspired by Smalltalk. * [HPPC](http://labs.carrotsearch.com/hppc.html) - Primitive collections. * [Javolution](http://javolution.org/) - Library for real-time and embedded systems. -* [JCTools](https://github.com/JCTools/JCTools) - Java Concurrency Tools currently missing from the JDK. +* [JCTools](https://github.com/JCTools/JCTools) - Concurrency tools currently missing from the JDK. * [Koloboke](https://github.com/OpenHFT/Koloboke) - Hash sets and hash maps. * [Trove](http://trove.starlight-systems.com/) - Primitive collections. @@ -269,23 +293,23 @@ A curated list of awesome Java frameworks, libraries and software. * [Eclipse](http://www.eclipse.org/) - Established, open-souce project with support for lots of plugins and languages. * [IntelliJ IDEA](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 starting with database access and servers to HTML5 and AngularJS. +* [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) - Imgscalr is an very simple and efficient (hardware accelerated) image-scaling library implemented in pure Java 2D. +* [Imgscalr](https://github.com/thebuzzmedia/imgscalr) - Simple and efficient hardware-accelerated image-scaling library implemented in pure Java 2D. * [Picasso](http://square.github.io/picasso/) - Image downloading and caching library for Android. -* [Thumbnailator](https://code.google.com/p/thumbnailator) - Thumbnailator is a high-quality thumbnail generation library for Java. +* [Thumbnailator](https://github.com/coobird/thumbnailator) - Thumbnailator is a high-quality thumbnail generation library for Java. * [ZXing](https://github.com/zxing/zxing) - Multi-format 1D/2D barcode image processing library. ## JSON *Libraries that simplify JSON processing.* -* [Genson](http://owlike.github.io/genson) - Powerful and easy to use Java and Scala to JSON conversion library. -* [Gson](https://github.com/google/gson) - Serializes Java objects to JSON and vice versa. Good performance with on-the-fly usage. +* [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](http://wiki.fasterxml.com/JacksonHome) - Similar to GSON but has performance gains if you need to instantiate the library more often. * [LoganSquare](https://github.com/bluelinelabs/LoganSquare) - JSON parsing and serializing library based on Jackson's streaming API. Outpeforms GSON & Jackson's library. @@ -294,61 +318,75 @@ A curated list of awesome Java frameworks, libraries and software. *Current implementations of the JVM/JDK.* * [JDK 9](https://jdk9.java.net/) - Early access releases of JDK 9. -* [OpenJDK](http://openjdk.java.net/) - Open source implementation. +* [OpenJDK](http://openjdk.java.net/) - Open-source implementation. + +## Languages + +*Languages other than Java that can be used to write JVM applications.* + +* [Scala](http://www.scala-lang.org/) - Statically typed programming language that fuses the object - oriented model and functional programming ideas. +* [Groovy](http://www.groovy-lang.org/) - Optionally typed and dynamic language, with static-typing and static compilation capabilities. Currently an incubating Apache project +* [Clojure](http://clojure.org/) - Dynamically typed programming language that can be seen as a modern take on Lisp. +* [Ceylon](http://ceylon-lang.org/) - Statically typed object-oriented language developed by RedHat. +* [Kotlin](http://kotlinlang.org/) - JetBrain's statically typed programming language for the JVM, Android and the browser. ## Logging *Libraries that log the behavior of an application.* -* [Apache Log4j 2](http://logging.apache.org/log4j/) - Complete rewrite of the previous version. Now has a powerful plugin and configuration architecture. +* [Apache Log4j 2](http://logging.apache.org/log4j/) - Complete rewrite with a powerful plugin and configuration architecture. * [kibana](http://www.elasticsearch.org/overview/kibana/) - Analyzes and visualizes log files. -* [Logback](http://logback.qos.ch/) - Founded by the same developer as Log4j and proves to be a robust logging library with interesting configuration options via Groovy. +* [Logback](http://logback.qos.ch/) - Robust logging library with interesting configuration options via Groovy. * [logstash](http://logstash.net/) - Tool for managing log files. +* [Metrics](http://metrics.codahale.com/) - Expose metrics via JMX or HTTP and can send them to a database. * [SLF4J](http://www.slf4j.org/) - Abstraction layer which is to be used with an implementation. ## Machine Learning -*Tools that provide specific statistical algorithms which allow to learn from data.* +*Tools that provide specific statistical algorithms which allow learning from data.* * [Apache Flink](https://flink.apache.org/) - Fast and reliable large-scale data processing engine. -* [Apache Hadoop](http://hadoop.apache.org/) - Open-source software framework for storage and large-scale processing of data-sets on clusters of commodity hardware. +* [Apache Hadoop](http://hadoop.apache.org/) - Storage and large-scale processing of data-sets on clusters of commodity hardware. * [Apache Mahout](https://mahout.apache.org/) - Scalable algorithms focused on collaborative filtering, clustering and classification. -* [Apache Spark](http://spark.apache.org/) - Open-source data analytics cluster computing framework. +* [Apache Spark](http://spark.apache.org/) - Data analytics cluster computing framework. +* [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://0xdata.com/) - Analytics engine for statistics over big data. * [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 on sending messages between clients to ensure protocol independency.* +*Tools that help to send messages between clients in order to ensure protocol independency.* * [Aeron](https://github.com/real-logic/Aeron) - Efficient reliable unicast and multicast message transport. -* [Apache ActiveMQ](http://activemq.apache.org/) - Open-source message broker that implements JMS and converts synchronous to asynchronous communication. +* [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. +* [Hermes](http://hermes.allegro.tech) - Fast and reliable message broker built on top of Kafka. * [JBoss HornetQ](http://hornetq.jboss.org/) - Clear, concise, modular and made to be embedded. -* [JeroMQ](https://github.com/zeromq/jeromq) - Pure Java implementation of ZeroMQ. -* [Smack](https://github.com/igniterealtime/Smack/) - A cross-platform [XMPP](http://en.wikipedia.org/wiki/XMPP) client library for Java and Android. +* [JeroMQ](https://github.com/zeromq/jeromq) - Implementation of ZeroMQ. +* [Smack](https://github.com/igniterealtime/Smack/) - Cross-platform XMPP client library. ## Miscellaneous *Everything else.* * [Design Patterns](https://github.com/iluwatar/java-design-patterns) - Implementation and explanation of the most common design patterns. -* [fabric8](http://fabric8.io/) - Integration platform for Java containers. * [Jimfs](https://github.com/google/jimfs) - In-memory file system. * [Lanterna](https://code.google.com/p/lanterna/) - Easy console text GUI library similar to curses. * [LightAdmin](http://lightadmin.org/) - Pluggable CRUD UI library for rapid application development. -* [Metrics](http://metrics.codahale.com/) - Create your own metrics or add them for supported frameworks, then expose them via JMX or HTTP, or send them to a database. * [OpenRefine](http://openrefine.org/) - Tool for working with messy data: cleaning, transforming, extending it with web services and linking it to databases. -* [RoboVM](http://www.robovm.org/) - Commercial framework with a free trial to write native iOS apps in Java. +* [RoboVM](http://www.robovm.org/) - Commercial framework with a free trial to write native iOS apps. ## Monitoring *Tools that monitor applications in production.* * [AppDynamics](http://www.appdynamics.com/) - Commercial performance monitor. -* [JavaMelody](https://github.com/javamelody/javamelody) - Open-source performance monitoring and profiling. +* [JavaMelody](https://github.com/javamelody/javamelody) - Performance monitoring and profiling. +* [Kamon](http://www.kamon.io/) - Tool for monitoring applications running on the JVM. * [New Relic](http://newrelic.com/) - Commercial performance monitor. +* [SPM](http://sematext.com/spm/) - Commercial performance monitor with distributing transaction tracing for JVM apps. * [Takipi](https://www.takipi.com/) - Commercial in-production error monitoring and debugging. ## Native @@ -371,19 +409,19 @@ 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. * [Grizzly](https://grizzly.java.net/) - NIO framework. Used as a network layer in Glassfish. -* [Netty](http://netty.io/) - A framework for building high performance network applications. -* [OkHttp](http://square.github.io/okhttp/) - An HTTP+SPDY client for Android and Java applications. +* [Netty](http://netty.io/) - Framework for building high performance network applications. +* [OkHttp](http://square.github.io/okhttp/) - HTTP+SPDY client. * [Undertow](http://undertow.io/) - Web server providing both blocking and non-blocking API’s based on NIO. Used as a network layer in WildFly. ## ORM *APIs which handle the persistence of objects.* -* [Ebean](http://ebean-orm.github.io/) - ORM Framework that provides fast data access and even faster coding. +* [Ebean](http://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://mybatis.github.io/mybatis-3/) - Persistence framework that couples objects with stored procedures or SQL statements. -* [OrmLite](http://ormlite.com/) - Lightweight ORM package avoiding the complexity and overhead of other ORM products. +* [MyBatis](http://mybatis.github.io/mybatis-3/) - Couples objects with stored procedures or SQL statements. +* [OrmLite](http://ormlite.com/) - Lightweight package avoiding the complexity and overhead of other ORM products. ## PDF @@ -392,17 +430,20 @@ A curated list of awesome Java frameworks, libraries and software. * [Apache FOP](http://xmlgraphics.apache.org/fop/) - Creates PDF from XSL-FO. * [Apache PDFBox](http://pdfbox.apache.org/) - Toolbox for creating and manipulating PDF. * [DynamicReports](http://dynamicreports.org/) - Simplifies JasperReports. -* [flyingsaucer](https://github.com/flyingsaucerproject/flyingsaucer) - XML/XHTML and CSS 2.1 renderer in pure Java. -* [iText](http://itextpdf.com/) - Easy to use PDF library which creates PDF files programmatically but requires a license for commercial purposes. +* [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. * [JasperReports](http://community.jaspersoft.com/project/jasperreports-library) - Complex reporting engine. ## Performance analysis -*Tools for performance optimization and dynamic program analysis.* +*Tools for performance analysis, profiling and benchmarking.* -* [JProfiler](https://www.ej-technologies.com/products/jprofiler/overview.html) - Commercial Java profiler. +* [jHiccup](http://github.com/giltene/jHiccup) - Logs and records platform JVM stalls. +* [JMH](http://openjdk.java.net/projects/code-tools/jmh/) - Microbenchmarking tool for the JVM. +* [JProfiler](https://www.ej-technologies.com/products/jprofiler/overview.html) - Commercial profiler. +* [LatencyUtils](https://github.com/LatencyUtils/LatencyUtils) - Utilities for latency measurement and reporting. * [VisualVM](http://visualvm.java.net/) - Visual interface for detailed information about running applications. -* [YourKit Java Profiler](https://www.yourkit.com/features/) - Commercial Java profiler. +* [YourKit Java Profiler](https://www.yourkit.com/features/) - Commercial profiler. ## Reactive libraries @@ -416,27 +457,29 @@ 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, includes Jetty, Jackson, Jersey and Metrics. -* [Feign](https://github.com/Netflix/feign) - Java to HTTP client binder inspired by Retrofit, JAXRS-2.0, and WebSocket. +* [Dropwizard](https://dropwizard.github.io/dropwizard/) - Opinionated framework for setting up modern web applications with Jetty, Jackson, Jersey and Metrics. +* [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. * [RESTEasy](http://resteasy.jboss.org/) - Fully certified and portable implementation of the JAX-RS specification. -* [RestExpress](https://github.com/RestExpress/RestExpress) - RestExpress is a thin wrapper on the JBOSS Netty HTTP stack to provide a simple and easy way to create RESTful services in Java that support massive Internet Scale and performance. -* [RestX](http://restx.io) - Opinionated framework based one annotation processor, providing support for REST endpoint, type safe DI, hot compile/reload, API doc, metrics, specs-oriented endpoint testing. -* [Retrofit](http://square.github.io/retrofit/) - A type-safe REST client for Java. -* [Spark](http://www.sparkjava.com/) - A Sinatra inspired framework for java. +* [RestExpress](https://github.com/RestExpress/RestExpress) - Thin wrapper on the JBOSS Netty HTTP stack to provide scaling and performance. +* [RestX](http://restx.io) - Framework based on annotation processing and compile-time source generation. +* [Retrofit](http://square.github.io/retrofit/) - Type-safe REST client. +* [Spark](http://www.sparkjava.com/) - Sinatra inspired framework. * [Swagger](https://helloreverb.com/developers/swagger) - Swagger is a specification and complete framework implementation for describing, producing, consuming, and visualizing RESTful web services. ## Science *Libraries for scientific computing and analysis.* -* [SCaVis](http://jwork.org/scavis/) - Environment for scientific computation, data analysis and data visualization. +* [DataMelt](http://jwork.org/dmelt/) - Environment for scientific computation, data analysis and data visualization. +* [JGraphT](https://github.com/jgrapht/jgrapht) - Graph library that provides mathematical graph-theory objects and algorithms. +* [JScience](http://jscience.org/) - Provides a set of classes to work with scientific measurements and units. ## Search *Engines which index documents for search and analysis.* -* [Apache Solr](http://lucene.apache.org/solr/) - Full enterprise search engine optimized for high volume traffic. +* [Apache Solr](http://lucene.apache.org/solr/) - Enterprise search engine optimized for high volume traffic. * [Elasticsearch](http://www.elasticsearch.org/) - Distributed, multitenant-capable full-text search engine with a RESTful web interface and schema-free JSON documents. ## Security @@ -446,9 +489,8 @@ A curated list of awesome Java frameworks, libraries and software. * [Apache Shiro](http://shiro.apache.org/) - Performs authentication, authorization, cryptography and session management. * [Bouncy Castle](https://www.bouncycastle.org/java.html) - All-purpose cryptographic library. JCA provider, wide range of functions from basic helpers to PGP/SMIME operations. * [Cryptomator](http://cryptomator.org/) - Multiplatform transparent client-side encryption of files in the cloud. -* [Keycloak](http://keycloak.jboss.org/) - Integrated SSO and IDM for browser apps and RESTful web services. Currently in beta but looks very promising. -* [PicketLink](http://picketlink.org/) - PicketLink is an umbrella project for security and identity management for Java applications. -* [Spring Security](http://projects.spring.io/spring-security/) - Focuses on authentication/authorization and protects against several attack vectors. +* [Keycloak](http://keycloak.jboss.org/) - Integrated SSO and IDM for browser apps and RESTful web services. +* [PicketLink](http://picketlink.org/) - Umbrella project for security and identity management. ## Serialization @@ -456,6 +498,7 @@ A curated list of awesome Java frameworks, libraries and software. * [FlatBuffers](https://github.com/google/flatbuffers) - Memory efficient serialization library that can access serialized data without unpacking and parsing it. * [Kryo](https://github.com/EsotericSoftware/kryo) - Fast and efficient object graph serialization framework. +* [FST](https://github.com/RuedigerMoeller/fast-serialization) - JDK compatible high performance object graph serialization. * [MessagePack](https://github.com/msgpack/msgpack-java) - Efficient binary serialization format. ## Server @@ -464,7 +507,6 @@ A curated list of awesome Java frameworks, libraries and software. * [Apache Tomcat](http://tomcat.apache.org/) - Robust all-round server for Servlet and JSP. * [Apache TomEE](http://tomee.apache.org/) - Tomcat plus Java EE. -* [GlassFish](https://glassfish.java.net/) - Open source reference implementation for Java EE sponsored by Oracle. * [Jetty](http://www.eclipse.org/jetty/) - Lightweight, small server, often embedded in projects. * [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. @@ -475,36 +517,33 @@ A curated list of awesome Java frameworks, libraries and software. * [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. -* [Handlebars.java](http://jknack.github.io/handlebars.java/) - Logic-less and semantic Mustache templates with Java. -* [JavaServer Pages](https://jsp.java.net/) - Common templating for websites with custom tag libraries. +* [Handlebars.java](http://jknack.github.io/handlebars.java/) - Logic-less and semantic Mustache templates. * [Thymeleaf](http://www.thymeleaf.org/) - Aims to be a substitute for JSP and works for XML files in general. ## Testing -*Tools that test from object to interface level including performance and other benchmarks.* +*Tools that test from model to the view.* * [Apache JMeter](http://jmeter.apache.org/) - Functional testing and performance measurements. -* [Arquillian](http://arquillian.org/) - Integration and functional testing platform with integration of Java EE containers. +* [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. * [Citrus](http://citrusframework.org/) - Integration testing framework with focus on client- and serverside messaging. -* [Cucumber](https://github.com/cucumber/cucumber-jvm) - A BDD testing framework that supports the most popular programming languages for the JVM. -* [Gatling](http://gatling.io/) - Gatling is a highly capable load testing tool. It is designed for ease of use, maintainability and high performance. +* [Cucumber](https://github.com/cucumber/cucumber-jvm) - BDD testing framework. +* [Gatling](http://gatling.io/) - Load testing tool designed for ease of use, maintainability and high performance. * [Hamcrest](http://hamcrest.org/JavaHamcrest/) - Matchers that can be combined to create flexible expressions of intent. -* [jHiccup](http://github.com/giltene/jHiccup) - logs and records platform JVM stalls. -* [JMH](http://openjdk.java.net/projects/code-tools/jmh/) - Microbenchmarking tool for the JVM. -* [JMockit](http://jmockit.org/) - The Mock Anything Toolkit for Java, mocks static, final methods and more. +* [JMockit](http://jmockit.org/) - Mocks static, final methods and more. * [JUnit](http://junit.org/) - Common testing framework. -* [LatencyUtils](https://github.com/LatencyUtils/LatencyUtils) - Utilities for latency measurement and reporting. * [Mockito](https://github.com/mockito/mockito) - Creation of test double objects in automated unit tests for the purpose of TDD or BDD. -* [PowerMock](https://github.com/jayway/powermock) - Allows you to unit test code normally regarded as untestable. +* [PowerMock](https://github.com/jayway/powermock) - Enables mocking of static methods, constructors, final classes and methods, private methods and removal of static initializers. +* [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](http://docs.spockframework.org/) - Testing framework featuring an expressive Groovy-derived specification language. Compatible with JUnit runners so easy to use with standard build tools and IDEs. +* [Spock](http://docs.spockframework.org/) - JUnit-compatible framework featuring an expressive Groovy-derived specification language. * [TestNG](http://testng.org/) - Testing framework. -* [Truth](https://github.com/google/truth) - Assertion/Proposition framework for Java unit tests by Google. -* [Unitils](http://www.unitils.org/) - Testing library divided into modules for unit and integration testing. -* [WireMock](http://wiremock.org/) - Testing library for stubbing and mocking web services. +* [Truth](https://github.com/google/truth) - Google's assertion and proposition framework. +* [Unitils](http://www.unitils.org/) - Modular testing library for unit and integration testing. +* [WireMock](http://wiremock.org/) - Stubbs and mocks web services. ## Utility @@ -512,38 +551,37 @@ A curated list of awesome Java frameworks, libraries and software. * [Apache Commons](http://commons.apache.org/) - Provides different general purpose functions like configuration, validation, collections, file upload or XML processing. * [args4j](http://args4j.kohsuke.org/) - Command line arguments parser. -* [Gephi](https://github.com/gephi/gephi/) - A cross-platform for visualizing and manipulating large graph networks. +* [CRaSH](http://www.crashub.org) - Provides a CLI for running processes. +* [Gephi](https://github.com/gephi/gephi/) - Cross-platform for visualizing and manipulating large graph networks. * [Guava](https://github.com/google/guava) - Collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, and so forth. -* [JADE](http://jade.tilab.com/) - Providers a framework and an environment to build and to debug multi-agent systems. -* [javatuples](http://www.javatuples.org/) - Does what it says, although the concept of tuples in general is debatable. -* [JCommander](http://jcommander.org/) - Command line arguments parser; its been around, active, and maintained by the creator since 2010. -* [JGraphT](http://jgrapht.org/) - A graph library that provides mathematical graph-theory objects and algorithms. -* [JScience](http://jscience.org/) - Provides a set of classes to work with scientific measurements and units. +* [JADE](http://jade.tilab.com/) - Framework and environment for building and to debugging multi-agent systems. +* [javatuples](http://www.javatuples.org/) - Tuples. +* [JCommander](http://jcommander.org/) - Command line arguments parser. * [Protégé](http://protege.stanford.edu/) - Provides an ontology editor and a framework to build knowledge-based systems. ## Web Crawling *Libraries that analyze the content of websites.* -* [Apache Nutch](http://nutch.apache.org/) - Highly extensible, highly scalable Web crawler for production environment. -* [Crawler4j](https://github.com/yasserg/crawler4j) - Simple lightweight alternative. +* [Apache Nutch](http://nutch.apache.org/) - Highly extensible, highly scalable web crawler for production environment. +* [Crawler4j](https://github.com/yasserg/crawler4j) - Simple and lightweight web crawler. * [JSoup](http://jsoup.org/) - Scrapes, parses, manipulates and cleans HTML. ## Web Frameworks *Frameworks that handle the communication between the layers of an web application.* -* [Apache Tapestry](http://tapestry.apache.org/) - Component oriented framework for creating dynamic, robust, highly scalable web applications in Java. +* [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. * [Google Web Toolkit](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. * [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. -* [Ninja](http://www.ninjaframework.org/) - Full stack web framework for Java. Rock solid, fast and super productive. -* [Pippo](http://www.pippo.ro/) - A small, highly modularized Sinatra-like framework. +* [Ninja](http://www.ninjaframework.org/) - Full stack web framework. +* [Pippo](http://www.pippo.ro/) - Small, highly modularized Sinatra-like framework. * [Play](http://www.playframework.com/) - Uses convention over configuration, hot code reloading and display of errors in the browser. * [PrimeFaces](http://primefaces.org/) - JSF framework which has a free and a commercial version with support. Provides several frontend components. -* [Ratpack](http://www.ratpack.io/) - A set of Java libraries that facilitate fast, efficient, evolvable and well tested HTTP applications. +* [Ratpack](http://www.ratpack.io/) - Set of libraries that facilitate fast, efficient, evolvable and well tested HTTP applications. * [Spring Boot](http://projects.spring.io/spring-boot/) - Microframework which simplifies the development of new Spring applications. -* [Spring](http://projects.spring.io/spring-framework/) - Aims to simplify the development with Java EE and provides packages for dependency injection and aspect-oriented programming. +* [Spring](http://projects.spring.io/spring-framework/) - Provides many packages ranging from dependency injection to aspect-oriented programming to security. * [Vaadin](https://vaadin.com/) - Event-driven framework build on top of GWT. Uses server-side architecture with Ajax on the client-side. # Resources @@ -554,11 +592,11 @@ A curated list of awesome Java frameworks, libraries and software. * [r/java](http://www.reddit.com/r/java) - Subreddit for the Java community. * [stackoverflow](http://stackoverflow.com/questions/tagged/java) - Question/answer platform. -* [vJUG](http://virtualjug.com/) - Online Java user group. +* [vJUG](http://virtualjug.com/) - Virtual Java User Group. ## Influential Books -*Books about Java that had a high impact and are still worth reading.* +*Books that had a high impact and are still worth reading.* * [Effective Java (2nd Edition)](http://www.amazon.com/Effective-Java-Edition-Joshua-Bloch/dp/0321356683) * [Java 8 in Action](http://www.amazon.com/Java-Action-Lambdas-functional-style-programming/dp/1617291994/) @@ -574,9 +612,10 @@ A curated list of awesome Java frameworks, libraries and software. ## Twitter -*Active accounts to follow.* +*Active accounts to follow. Descriptions from Twitter.* * [Adam Bien](https://twitter.com/AdamBien/) - Freelancer: Author, JavaONE Rockstar Speaker, Consultant, Java Champion. +* [Aleksey Shipilëv](https://twitter.com/shipilev) - Performance Geek, Benchmarking Tzar, Concurrency Bug Hunter. * [Antonio Goncalves](https://twitter.com/agoncal/) - Java Champion, JUG Leader, Devoxx France, Java EE 6/7, JCP, Author. * [Arun Gupta](https://twitter.com/arungupta/) - Java Champion, JavaOne Rockstar, UG Leader, Devoxx4Kids-er, Red Hatter. * [Brian Goetz](https://twitter.com/BrianGoetz) - Java Language Architect at Oracle. @@ -592,13 +631,13 @@ A curated list of awesome Java frameworks, libraries and software. * [Lukas Eder](https://twitter.com/lukaseder) - Founder and CEO Data Geekery (jOOQ). * [Mario Fusco](https://twitter.com/mariofusco) - RedHatter, JUG coordinator, frequent speaker and author. * [Mark Reinhold](https://twitter.com/mreinhold) - Chief Architect, Java Platform Group, Oracle. -* [Markus Eisele](https://twitter.com/myfear) - Java EE evangelist, Red Hat +* [Markus Eisele](https://twitter.com/myfear) - Java EE evangelist, Red Hat. * [Martijn Verburg](https://twitter.com/karianna) - London JUG co-leader, speaker, author, Java Champion and much more. * [Martin Thompson](https://twitter.com/mjpt777) - Pasty faced performance gangster. * [OpenJDK](https://twitter.com/OpenJDK) - Official OpenJDK account. -* [Peter Lawrey](https://twitter.com/PeterLawrey) - Peter Lawrey, Java performance expert +* [Peter Lawrey](https://twitter.com/PeterLawrey) - Peter Lawrey, Java performance expert. * [Reza Rahman](https://twitter.com/reza_rahman) - Java EE/GlassFish/WebLogic evangelist, author, speaker, open source hacker. -* [Roberto Cortez](https://twitter.com/radcortez) - Java EE/JPA expert, speaker, open source +* [Roberto Cortez](https://twitter.com/radcortez) - Java EE/JPA expert, speaker, open source. * [Simon Maple](https://twitter.com/sjmaple) - Java Champion, virtualJUG founder, LJC leader, RebelLabs author. * [Stephen Colebourne](https://twitter.com/jodastephen) - Java Champion, speaker. * [Tim Boudreau](https://twitter.com/kablosna) - Author and NetBeans guru.