Fossil: The official website of Fossil, a DVCS with integrated bugtracking and wiki. The site hosted by fossil itself provides downloads of prebuilt binaries and source code, documentation and a bug tracking system

Git: Official website. Provides documentation, tutorials and download links

The Apache Subversion Project Home: An open-source revision control system, which aims to be a compelling replacement for CVS. This is the main page of the project with sources, bug tracking, and mailing list