Git - Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.
SourceTree - Mac and Windows client for Mercurial and Git.
Atlassian Bitbucket Server - Atlassian Bitbucket Server is a scalable collaborative Git solution.
SmartGit - SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS...
Mercurial SCM - Mercurial is a free, distributed source control management tool.
TortoiseGit - TortoiseGit is an easy to use client for the Git distributed revision control system.