Hudson
From KevinWiki
Hudson is a continuous integration tool built using Java. It can work as a standalone server of itself as it has the Winstone Servlet Container or can work on various Servlet Containers or JEE servers such as Apache Tomcat, Glassfish, JBoss, IBM WebSphere, Jetty 6, etc. Hudson supports Apache Ant and Maven as well as SCM tools such as CSV and Subversion.