With Jenkins you can build great things at any scale. Jenkins is the leading open source automation server that provides hundreds of plugins to support building, deploying and automating any project. More specifically, Jenkins is a self-contained, open source automation server which can be used to automate all sorts of tasks related to building, testing, and delivering or deploying software. Jenkins can be installed through native system packages, Docker, or even run standalone by any machine with a Java Runtime Environment (JRE) installed.