Jenkins is an open source continuous integration tool written in Java and provides continuous integration services for software development. Released under the MIT License, Jenkins is free software. As a server-based system that runs in a servlet container such as Apache Tomcat, it supports SCM tools including AccuRev, CVS, Subversion, Git, Mercurial, Perforce, Clearcase an RTC. Jenkins can execute Apache Ant and Apache Maven based projects as well as arbitrary shell scripts and Windows batch commands. Builds can be triggered by executing Commit in a version control system, by scheduling via a cron-like mechanism, by building when other builds have completed and by requesting a specific build URL. For additional information, refer to Using Jenkins.