Fork - Fast and Friendly Git Client for Mac
Sublime Merge - Fast git client with integrated merge tool from the makers of Sublime Text
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
GITK - The GITK - Generalized Interface Tool Kit is a set of libraries, which form a (user) interface...
SourceTree - Mac and Windows client for Mercurial and Git.
Bit - Easily share reusable components between projects and applications to build faster as a team.