useful-java-links
A list of useful Java frameworks, libraries, software and hello worlds examples
https://github.com/Vedenin/useful-java-links
Last synced: 5 days ago
JSON representation
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III. Network and Integration
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12. Clouds
- Legacy Jclouds - specific features. We support many clouds including Amazon, VMWare, Azure, and Rackspace. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/jclouds/legacy-jclouds). 
- Quarkus - Apache%202.0-blue.svg)](https://github.com/quarkusio/quarkus/blob/master/LICENSE.txt)
- Apache Stratos - extensible Platform-as-a-Service (PaaS) framework that helps run Apache Tomcat, PHP, and MySQL applications and can be extended to support many more environments on all major cloud infrastructures. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Apache Airavata - based science gateways and assist to compose, manage, execute, and monitor large scale applications (wrapped as Web based services) and workflows composed of these services. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
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13. Cluster Management
- Apache Airavata - based science gateways and assist to compose, manage, execute, and monitor large scale applications (wrapped as Web based services) and workflows composed of these services. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Singularity - Singularity is a Mesos framework that makes deployment and operations easy. It supports web services, background workers, scheduled jobs, and one-off tasks. License: **?**.
- Apache Helix - 2.0). 
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14. Document Processing (XLS, DOC and PDF)
- jOpenDocument - Processes the OpenDocument format. License: [GNU](https://en.wikipedia.org/wiki/GNU_General_Public_License) or proprietary.  and 
- DynamicReports - Simplifies JasperReports. License: [GNU Lesser 3](https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License). 
- iText - Creates PDF files programmatically but current versions require a license for commercial purposes. License: [AGPL](https://en.wikipedia.org/wiki/Affero_General_Public_License) or proprietary.  or . However, versions upto 4.2.0 were licensed under the business-friendly LGPL. From 2.1.7 the version jumped to the 4 series, one of the main changes was a renaming of the packages. These two versions are available in several repositories on github, see for example: [iText 4.2.0](https://github.com/ymasory/iText-4.2.0) and [iText 2.1.7](https://github.com/hwinkler/itext2). The jars can be downloaded from [Maven Central.](https://mvnrepository.com/artifact/com.lowagie/itext/2.1.7). iText 2.1.7 and iText 4.2.0 are available under a . The book iText in Action 2nd Edition, from Manning, was written around the time of these LGPL versions. If you are making any contributions to iText please make them to these LGPL repositories on GitHub.
- JasperReports - Complex reporting engine. License: [GNU Lesser](https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License). 
- DynamicReports - Simplifies JasperReports. License: [GNU Lesser 3](https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License). 
- flyingsaucer - XML/XHTML and CSS 2.1 renderer. License: [GNU Lesser 2.1](https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License). 
- JasperReports - Complex reporting engine. License: [GNU Lesser](https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License). 
- documents4j - API for document format conversion using third-party converters such as MS Word. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Docx4j - 2.0). 
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15. Native
- Java Native Access (JNA) - 2.0).  , [](https://github.com/java-native-access/jna). 
- JNR - Work with native libraries without writing JNI. Also provides interfaces to common system libraries. Same goals as JNA, but faster, and serves as the basis for the upcoming [Project Panama](http://openjdk.java.net/projects/panama/). License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
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16. XML and SOAP
- Santuario - 2.0). 
- Xalan - J is an XSLT processor written in Java. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Xerces - J is a validating XML parser written in Java. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- XML Graphics - 2.0). 
- VXQuery - 2.0). 
- Apache Axis - 2.0). 
- Xalan - J is an XSLT processor written in Java. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Xerces - J is a validating XML parser written in Java. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- XML Graphics - 2.0). 
- VXQuery - 2.0). 
- Apache Axis - 2.0). 
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17. Geospatial Service Interation
- Geotoolkit.org - Library for developing geospatial applications. Built on top of the Apache SIS project. License: [GNU Lesser 2.1](http://www.geotoolkit.org/license.html). 
- H2GIS - A spatial extension of the H2 database. License: [GPL 3](http://www.gnu.org/copyleft/gpl.html). 
- JTS Topology Suite - An API of 2D spatial predicates and functions. License: [GNU Lesser 3](http://www.gnu.org/copyleft/lesser.html). 
- Geo - GeoHash utilities in Java. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- GeoTools - Library that provides tools for geospatial data. License: [GNU Lesser 2.1](http://www.gnu.org/licenses/lgpl-2.1.html). 
- Jgeohash - Library that can assist Java developers in using the GeoHash algorithm. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Mapsforge - Software for the rendering of maps based on OpenStreetMap data. License: [GNU Lesser 3](http://www.gnu.org/copyleft/lesser.html). 
- Spatial4j - General purpose spatial/geospatial ASL licensed open-source Java library. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
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18. Reverse Proxy Servers
- Membrane Service Proxy - 2.0) , [](https://github.com/membrane/service-proxy). 
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1. Servers (Web Server and Application Server)
- WebSphere Liberty - Lightweight, modular server developed by IBM. ***License: proprietary*** 
- Apache Geronimo - 2.0). 
- Apache James - 2.0). 
- WebSphere Liberty - Lightweight, modular server developed by IBM. ***License: proprietary*** 
- GlassFish - GlassFish - World's first Java EE 7 Application Server. License: [GNU 2](https://en.wikipedia.org/wiki/GNU_General_Public_License) Or [CDDL 1.0](http://opensource.org/licenses/CDDL-1.0).
- Wildfly - Formerly known as JBoss and developed by Red Hat with extensive Java EE support. License: [GNU Lesser 2.1](https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License), [](https://github.com/wildfly/wildfly). 
- Undertow - High performance non-blocking webserver. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/undertow-io/undertow). 
- Apache Tomcat - Robust all-round server for Servlet and JSP. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/apache/tomcat). 
- Nginx clojure - Nginx module for embedding Clojure or Java or Groovy programs, typically those Ring based handlers. License: [BSD 3](https://en.wikipedia.org/wiki/BSD_licenses#3-clause_license_.28.22Revised_BSD_License.22.2C_.22New_BSD_License.22.2C_or_.22Modified_BSD_License.22.29) , [](https://github.com/nginx-clojure/nginx-clojure). 
- Jetty - Lightweight, small server, often embedded in projects. License: [Eclipse Public 1.0](https://www.eclipse.org/legal/epl-v10.html) / [Apache 2](http://www.apache.org/licenses/LICENSE-2.0).0, [](https://github.com/eclipse/jetty.project). 
- WebSphere Liberty - Lightweight, modular server developed by IBM. ***License: proprietary*** 
- Payara
- Apache Geronimo - 2.0). 
- Apache James - 2.0). 
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2. Networking
- Grizzly - NIO framework. Used as a network layer in Glassfish. License: [GNU 2](https://en.wikipedia.org/wiki/GNU_General_Public_License) and [CDDL 1.1](https://en.wikipedia.org/wiki/CDDL).
- Netty - 2.0) , [](https://github.com/netty/netty). 
- Netty socketio - 2.0) , [](https://github.com/mrniko/netty-socketio). 
- Grpc java - clause_license_.28.22Revised_BSD_License.22.2C_.22New_BSD_License.22.2C_or_.22Modified_BSD_License.22.29), [](https://github.com/grpc/grpc-java). 
- Socket.io java client - java-client.svg?style=social&label=Star&maxAge=2592000)](https://github.com/Gottox/socket.io-java-client). 
- Socket.io client.java - featured Socket.IO Client Library for Java, which is compatible with Socket.IO v1.0 and later. License: [MIT](https://opensource.org/licenses/MIT) , [](https://github.com/socketio/socket.io-client-java). 
- EsotericSoftware Kryonet - clause_license_.28.22Revised_BSD_License.22.2C_.22New_BSD_License.22.2C_or_.22Modified_BSD_License.22.29), [](https://github.com/EsotericSoftware/kryonet). 
- Async Http Client - Asynchronous HTTP and WebSocket client library. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Comsat - Integrates standard Java web-related APIs with Quasar fibers and actors. License: [Eclipse Public 1.0](https://www.eclipse.org/legal/epl-v10.html). 
- Apache MINA - driven, asynchronous API over various transports such as TCP/IP and UDP/IP via Java NIO. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Apache HttpComponents - 2.0). 
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3. Message, message broker and message queue
- JBoss HornetQ - Clear, concise, modular and made to be embedded, License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Apache Synapse - 2.0). 
- LMAX Exchange Disruptor - Thread Messaging Library. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/LMAX-Exchange/disruptor). 
- Gifsockets - v10.html), [](https://github.com/videlalvaro/gifsockets). 
- Real logic Aeron - 2.0) , [](https://github.com/real-logic/Aeron). 
- JeroMQ - java-links/blob/master/img/impossible-proprietary-code-linking.png?raw=true)
- Metamorphosis - 2.0) , [](https://github.com/killme2008/Metamorphosis). 
- Igniterealtime Openfire - 2.0) , [](https://github.com/igniterealtime/Openfire). 
- Zeromq Jzmq - java-links/blob/master/img/impossible-proprietary-code-linking.png?raw=true)
- Smack - platform XMPP client library. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/igniterealtime/Smack). 
- Apache Camel - Glues together different transport APIs via Enterprise Integration Patterns, License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Apache Qpid - 2.0). 
- Apache Synapse - 2.0). 
- Apache ServiceMix - source integration container that unifies the features and functionality of Apache ActiveMQ, Camel, CXF, and Karaf into a powerful runtime platform you can use to build your own integrations solutions. It provides a complete, enterprise ready ESB exclusively powered by OSGi. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
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4. Http and ssh
- Square Okhttp - 2.0) , [](https://github.com/square/okhttp). 
- Http request - request.svg?style=social&label=Star&maxAge=2592000)](https://github.com/kevinsawicki/http-request). 
- Nanohttpd - clause_license_.28.22Revised_BSD_License.22.2C_.22New_BSD_License.22.2C_or_.22Modified_BSD_License.22.29), [](https://github.com/NanoHttpd/nanohttpd). 
- Http kit - kit is a minimalist, event-driven, high-performance Clojure HTTP server/client library with WebSocket and asynchronous support. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/http-kit/http-kit). 
- Apache Zookeeper - 2.0) , [](https://github.com/apache/zookeeper). 
- Moco - java-links/blob/master/img/business-friendly.png?raw=true)
- Webbit - clause_license_.28.22Revised_BSD_License.22.2C_.22New_BSD_License.22.2C_or_.22Modified_BSD_License.22.29), [](https://github.com/webbit/webbit). 
- Mashape Unirest java - java.svg?style=social&label=Star&maxAge=2592000)](https://github.com/Mashape/unirest-java). 
- Sshj - 2.0) , [](https://github.com/hierynomus/sshj). 
- Netflix Feign - 2.0) , [](https://github.com/Netflix/feign). 
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5. Rest Frameworks
- Spark - Sinatra inspired framework. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Apache Wink - RS specification. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Apache Olingo - 2.0). 
- Square Retrofit - safe REST client. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/square/retrofit). 
- Dropwizard - 2.0) , [](https://github.com/dropwizard/dropwizard). 
- Swagger - 2.0) , [](https://github.com/swagger-api/swagger-core). 
- Jersey - RS reference implementation. License: [CDDL 1.0](https://opensource.org/licenses/CDDL-1.1), [](https://github.com/jersey/jersey).
- Linkedin Rest.li - 2.0) , [](https://github.com/linkedin/rest.li). 
- Spring hateoas - Library to support implementing representations for hyper-text driven REST web services. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/spring-projects/spring-hateoas). 
- RestExpress - Thin wrapper on the JBOSS Netty HTTP stack to provide scaling and performance. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Rapidoid - A simple, secure and extremely fast framework consisting of embedded HTTP server, GUI components and dependency injection. http://www.rapidoid.org/ License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0), [](https://github.com/rapidoid/rapidoid). 
- RestX - Framework based on annotation processing and compile-time source generation. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Spark - Sinatra inspired framework. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Apache Wink - RS specification. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Apache Olingo - 2.0). 
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6. Integration frameworks
- Apache CXF - WS and JAX-RS. These services can speak a variety of protocols such as SOAP, XML/HTTP, RESTful HTTP, or CORBA and work over a variety of transports such as HTTP, JMS or JBI. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Jmxtrans
- Apache Camel - 2.0) , [](https://github.com/apache/camel). 
- Spring Integration - Spring Integration provides an extension of the Spring programming model to support the well-known Enterprise Integration Patterns (EIP). http://projects.spring.io/spring-integration/ License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/spring-projects/spring-integration). 
- Apache CXF - WS and JAX-RS. These services can speak a variety of protocols such as SOAP, XML/HTTP, RESTful HTTP, or CORBA and work over a variety of transports such as HTTP, JMS or JBI. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
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7. Web Crawling and HTML parsering
- Sparklemotion Nokogiri - 2.0) , [](https://github.com/sparklemotion/nokogiri). 
- Jsoup - java-links/tree/master/helloworlds/3.7-web-crawling-and-html-parser/Jsoup). License: [MIT](https://opensource.org/licenses/MIT) , [](https://github.com/jhy/jsoup). 
- Webmagic - 2.0) , [](https://github.com/code4craft/webmagic). 
- Antlr4 - clause_license_.28.22Revised_BSD_License.22.2C_.22New_BSD_License.22.2C_or_.22Modified_BSD_License.22.29), [](https://github.com/antlr/antlr4). 
- Parboiled - lightweight, easy-to-use, powerful. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/sirthias/parboiled). 
- Pegdown - Java Markdown processor based on a parboiled PEG parser supporting a number of extensions. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/sirthias/pegdown). 
- Crawler4j - Simple and lightweight web crawler. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
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8. Json
- Gson - Serializes objects to JSON and vice versa. Good performance with on-the-fly usage, [](https://github.com/google/gson). [User guide](https://github.com/google/gson/blob/master/UserGuide.md) and [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/3.8-json/gson)
- Square Moshi - java-links/tree/master/helloworlds/3.8-json/moshi). License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) 
- Jackson - Similar to GSON but has performance gains if you need to instantiate the library more often. Subprojects: [Jackson core](https://github.com/FasterXML/jackson-core) Core part of Jackson, [Jackson databind](https://github.com/FasterXML/jackson-databind) Core part of Jackson that defines Streaming API as well as basic shared abstractions, [](https://github.com/FasterXML/jackson-core). [User guide](https://github.com/FasterXML/jackson-docs) and [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/3.8-json/jackson). License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Alibaba Fastjson - java-links/tree/master/helloworlds/3.8-json/fastjson). License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- LoganSquare - JSON parsing and serializing library based on Jackson's streaming API. Outpeforms GSON & Jackson's library, [](https://github.com/bluelinelabs/LoganSquare). [User guide](https://github.com/bluelinelabs/LoganSquare#usage) and [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/3.8-json/logansquare). License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- JSON java - java.svg?style=social&label=Star&maxAge=2592000)](https://github.com/stleary/JSON-java). [User guide](https://github.com/stleary/JSON-java) and [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/3.8-json/json_java). License: [Crockford's license (MIT License + "Good, not Evil")](https://en.wikipedia.org/wiki/Douglas_Crockford#.22Good.2C_not_Evil.22).
- Instagram Ig json parser - json-parser.svg?style=social&label=Star&maxAge=2592000)](https://github.com/Instagram/ig-json-parser). [User guide](https://github.com/Instagram/ig-json-parser#getting-started) and [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/3.8-json/ig_json_parser). License: [BSD 3](https://en.wikipedia.org/wiki/BSD_licenses#3-clause_license_.28.22Revised_BSD_License.22.2C_.22New_BSD_License.22.2C_or_.22Modified_BSD_License.22.29). 
- JSON.simple - A simple Java toolkit for JSON. You can use json-simple to encode or decode JSON text, [](https://github.com/fangyidong/json-simple). [User guide](https://code.google.com/archive/p/json-simple/wikis) and [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/3.8-json/json_simple). License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Genson - Powerful and easy to use Java to JSON conversion library, http://owlike.github.io/genson/ [](https://github.com/owlike/genson). [User guide](http://owlike.github.io/genson/Documentation/UserGuide/) and [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/3.8-json/genson). License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Jsonschema2pojo - binding with Jackson 1.x or 2.x, Gson, etc. , [](https://github.com/joelittlejohn/jsonschema2pojo). [User guide](https://github.com/joelittlejohn/jsonschema2pojo/wiki/Getting-Started) and [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/3.8-json/jsonschema2pojo). License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Jayway JsonPath - started) and [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/3.8-json/json_path). License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Json schema validator - schema-validator.svg?style=social&label=Star&maxAge=2592000)](https://github.com/fge/json-schema-validator). [User guide](https://github.com/fge/json-schema-validator#read-me-first) and [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/3.8-json/json_schema_validator). License: [GNU Lesser 3](https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License)/[Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
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9. CSV
- Super CSV - Powerful CSV parser with support for Dozer, Joda-Time and Java 8. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- uniVocity-parsers - One of the fastest and most feature-complete CSV. Also comes with parsers for TSV and fixed width records. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- opencsv - Simple CSV parser with a commercial-friendly license. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
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IV. Testing
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1. Testing
- Arquillian - Integration and functional testing platform for Java EE containers. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Citrus - Integration testing framework with focus on client- and serverside messaging. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- GreenMail - In-memory email server for integration testing. Supports SMTP, POP3 and IMAP including SSL. License: [MIT](https://opensource.org/licenses/MIT). 
- GreenMail - In-memory email server for integration testing. Supports SMTP, POP3 and IMAP including SSL. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- Selenide - Concise API around Selenium to write stable and readable UI tests. License: [MIT](https://opensource.org/licenses/MIT). 
- Unitils - Modular testing library for unit and integration testing. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- cdp4j - Web-automation library for Java. It can be used for automating the use of web pages and for testing web pages. [](https://github.com/webfolderio/cdp4j) License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- JMockit - Mocks static, final methods and more. License: [MIT](https://opensource.org/licenses/MIT). 
- ArchUnit - 2.0) , [](https://github.com/TNG/ArchUnit). 
- Junit - v10.html) , [](https://github.com/junit-team/junit4). 
- Mockito - java-links/blob/master/img/business-friendly.png?raw=true)
- Selenium - 2.0) , [](https://github.com/SeleniumHQ/selenium). 
- Cucumber jvm - BDD testing framework. Cucumber-JVM is a pure Java implementation of Cucumber that supports the most popular programming languages for the JVM. [Hello World examples](https://github.com/Vedenin/useful-java-links/tree/master/helloworlds/4.1-testing/cucumber). License: [MIT](https://opensource.org/licenses/MIT), [](https://github.com/cucumber/cucumber-jvm). 
- JBehave - extensively configurable framework for Behavior-Driven Development (BDD). BDD is an evolution of test-driven development (TDD) and acceptance-test driven design, and is intended to make these practices more accessible and intuitive to newcomers and experts alike. License: [BSD 3](https://en.wikipedia.org/wiki/BSD_licenses#3-clause_license_.28.22Revised_BSD_License.22.2C_.22New_BSD_License.22.2C_or_.22Modified_BSD_License.22.29), [](https://github.com/jbehave/jbehave-core). 
- Spock - compatible framework featuring an expressive Groovy-derived specification language. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/spockframework/spock). 
- Google Firing range - 2.0) , [](https://github.com/google/firing-range). 
- Fitnesse - alone acceptance testing framework and wiki.. License: [CPL-1.0](https://opensource.org/licenses/cpl1.0.php), [](https://github.com/unclebob/fitnesse).
- Sikuli - java-links/blob/master/img/business-friendly.png?raw=true)
- JavaHamcrest - clause_license_.28.22Revised_BSD_License.22.2C_.22New_BSD_License.22.2C_or_.22Modified_BSD_License.22.29), [](https://github.com/hamcrest/JavaHamcrest). 
- TestNG - 2.0) , [](https://github.com/cbeust/testng). 
- Galenframework Galen - 2.0) , [](https://github.com/galenframework/galen). 
- Google truth - 2.0) , [](https://github.com/google/truth). 
- JUnitParams - Creation of readable and maintainable parametrised tests. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Unitils - Modular testing library for unit and integration testing. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- SeLion - Enabling Test Automation in Java. SeLion builds on top of TestNG and Selenium to provide a set of capabilities that get you up and running with WebDriver in a short time. It can be used for testing web and mobile applications, [](https://github.com/paypal/SeLion). License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Image-Comparison - Published on Maven Central Java Library that compares 2 images with the same sizes and shows the differences visually by drawing rectangles. Some parts of the image can be excluded from the comparison. [](https://github.com/romankh3/image-comparison) License: [The Unlicense](https://unlicense.org)
- LogCaptor - Captures log entries for unit testing purposes. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0) , [](https://github.com/Hakky54/log-captor). 
- Awaitility - DSL for synchronizing asynchronous operations. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Wiremock - 2.0) , [](https://github.com/tomakehurst/wiremock). 
- AssertJ - 2.0) , [](https://github.com/joel-costigliola/assertj-core). 
- PowerMock - Enables mocking of static methods, constructors, final classes and methods, private methods and removal of static initializers. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Gatling - Load testing tool designed for ease of use, maintainability and high performance. License: [MIT](https://opensource.org/licenses/MIT). 
- JGiven - Developer-friendly BDD testing framework compatible with JUnit and TestNG. License: [MIT](https://opensource.org/licenses/MIT). 
- PIT - Fast mutation-testing framework for evaluating fault-detection abilities of existing JUnit or TestNG test-suites. License: [Creative Commons License](http://creativecommons.org/licenses/by-nc-sa/3.0/).
- REST Assured - Java DSL for easy testing for REST/HTTP services. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
-
2. Code Coverage
- JCov - Code coverage tool used in the OpenJDK project's development toolchain. License: [GNU 2](https://en.wikipedia.org/wiki/GNU_General_Public_License). 
- JCov - Code coverage tool used in the OpenJDK project's development toolchain. License: [GNU 2](https://en.wikipedia.org/wiki/GNU_General_Public_License). 
- 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. License: [Eclipse Public License v1.0](https://en.wikipedia.org/wiki/Eclipse_Public_License), [Apache 2](http://www.apache.org/licenses/LICENSE-2.0), [BSD](https://en.wikipedia.org/wiki/BSD_licenses). 
- Clover - Proprietary code coverage tool by Atlassian that relies on source-code instrumentation, instead of bytecode instrumentation. ***License: proprietary*** 
- Cobertura - Relies on offline (or static) bytecode instrumentation and class loading to collect code coverage metrics. License: [GNU 2](https://en.wikipedia.org/wiki/GNU_General_Public_License). 
-
3. Continuous Integration
- Bamboo - Atlassian's solution with good integration of their other products. You can either apply for an open-source license or buy it. 
- CircleCI - Hosted service with a free trial. 
- fabric8 - Integration platform for containers. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Apache Continuum - ready continuous integration server with features such as automated builds, release management, role-based security, and integration with popular build tools and source control management systems.. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Go - ThoughtWork's open-source solution. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
- Travis - Hosted service often used for open-source projects. License: ?
- Codeship - Hosted services with a limited free plan. 
- fabric8 - Integration platform for containers. License: [Apache 2](http://www.apache.org/licenses/LICENSE-2.0). 
-
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