The ASF is made up of over 100 top level projects that cover a wide range of technologies. Chances are if you are looking for a rewarding experience in Open Source, you are going to find it here.
Apache Bloodhound is a software development collaboration tool, including issue tracking, wiki and repository browsing
Apache Bloodhound has been created to be an open source collaboration tool to track the progress of and help distribute tasks within a project. With a particular focus on software development it includes integration with popular source control software including Apache Subversion, Git and Mercurial.
Microsoft Visual Source Safe support for Apache Ant.
The Apache VSS Antlib provides an interface to the Microsoft Visual SourceSafe SCM. The original Ant tasks have been expanded upon in this Antlib. Some fixes to issues in the original tasks have also been incorporated.