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[](https://hub.docker.com/r/jenkins/jenkins/)
In a nutshell, Jenkins is the leading open-source automation server.
Built with Java, it provides over 1600 [plugins](https://plugins.jenkins.io/) to support automating virtually anything,
so that humans can actually spend their time doing things machines cannot.
# What to Use Jenkins for and When to Use It
Use Jenkins to automate your development workflow so you can focus on work that matters most. Jenkins is commonly used for:
- Building projects
- Running tests to detect bugs and other issues as soon as they are introduced
- Static code analysis
- Deployment
Execute repetitive tasks, save time, and optimize your development process with Jenkins.
# Downloads
Non-source downloads such as WAR files and several Linux packages can be found on our [Mirrors].
Our latest and greatest source of Jenkins can be found on [GitHub]. Fork us!
# Contributing to Jenkins
Follow the [contributing guidelines](CONTRIBUTING.md) if you want to propose a change in the Jenkins core.
All information about Jenkins can be found on our [website]. Follow us on Twitter [@jenkinsci].
Jenkins is **licensed** under the **[MIT License]**.
[ButlerImage]: https://jenkins.io/sites/default/files/jenkins_logo.png
[MIT License]: https://github.com/jenkinsci/jenkins/blob/master/LICENSE.txt
[Mirrors]: http://mirrors.jenkins-ci.org
[GitHub]: https://github.com/jenkinsci/jenkins
[@jenkinsci]: https://twitter.com/jenkinsci