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Jenkins is an open-source continuous integration tool written in Java. Forked from Hudson after a dispute with Oracle.

Jenkin is an open source automation server written in Java. The project was forked from Hudson after a dispute with Oracle.

Jenkins helps to automate the non-human part of the whole software development process, with now common things like Continuous Integration, but by further empowering teams to implement the technical part of a Continuous Delivery. It is a server-based system running in a servlet container such as Apache Tomcat. It supports SCM tools including AccuRev, CVS, Subversion, Git, Mercurial, Perforce, Clearcase and RTC, and can execute Apache Ant and Apache Maven based projects as well as arbitrary shell scripts and Windows batch commands. The creator of Jenkins is Kohsuke Kawaguchi. Released under the MIT License, Jenkins is free software.

Builds can be triggered by various means, for example by commit in a version control system, by scheduling via a cron-like mechanism and by requesting a specific build URL. It can also be triggered after the other builds in the queue have completed.

Jenkins functionality can be extended with plugins.

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