Fast, scalable, distributed revision control system
Text-mode interface for git
Git GUI Client
A cross-platform, portable, linkable Git implementation library
An Apache SVN client, right where you need it most
ruby bindings to libgit2
Yet Another Diff Tool
Implementation of the sccs what program
The UNIX Source Code Control System activelty maintained/enhanced
a collection of tools like my version of zip sync makevers
Fast Remote SVN Info
pacthview let us view parts of a patch