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CONTRIBUTING.md
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@ -1,8 +1,8 @@
# 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:
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 (e.g. 100+ GitHub stars)
(a) widely recommended, regardless of personal opinion
(b) highly discussed in the community due to its innovative nature
@ -26,9 +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:
@ -36,7 +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
@ -171,20 +172,20 @@ 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.
* [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
@ -199,28 +200,28 @@ 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
@ -230,46 +231,49 @@ 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
@ -288,9 +292,10 @@ 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
@ -309,7 +314,7 @@ 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.
* [Akka](http://akka.io) - Toolkit and runtime for building concurrent, distributed, fault-tolerant and 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.
@ -319,8 +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.
@ -330,19 +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.
@ -355,7 +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
@ -363,10 +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
@ -377,9 +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
@ -400,9 +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
@ -410,7 +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
@ -435,31 +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
@ -467,17 +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.
@ -491,31 +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.
@ -529,8 +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.
@ -542,11 +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
@ -554,32 +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
@ -591,11 +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
@ -603,20 +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 API’s 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.
@ -628,23 +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
@ -689,7 +695,6 @@ 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.
@ -697,7 +702,6 @@ 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
@ -708,6 +712,8 @@ 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
@ -770,10 +776,12 @@ 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.
@ -794,9 +802,11 @@ 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.
@ -840,7 +850,6 @@ 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.
@ -855,6 +864,15 @@ 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.*