The following applications related to version/revision control are written in Python:
Version Control Systems
[http://bazaar-vcs.org/ Bazaar] (formerly Bazaar-NG)
[http://cvs2svn.tigris.org/ cvs2svn] - the CVS to Subversion repository converter
[http://www.darcs.net/DarcsWiki/Tailor Tailor] - a tool to migrate changesets between ArX, Bazaar, Bazaar-NG, CVS, Codeville, Darcs, Git, Mercurial, Monotone, Subversion and Tla repositories
[http://trac.edgewall.org/ Trac] supports repository browsing
[http://www.viewvc.org/ ViewVC] (formerly ViewCVS) - a repository browser for CVS and Subversion
The above lists should be arranged in ascending alphabetical order - please respect this when adding new entries. If, as the developer of a listed application, you disagree with the classification of the work, please move it into the appropriate category or create a new category, respecting the ascending alphabetical order of the categories (excluding "Version Control Systems" which should be stated first). When specifying release dates please use the format YYYY-MM-DD.