Amp is a general-purpose version-control system. It currently implements Mercurial, and we hope to support git, bazaar, svn, cvs, and darcs in the future.
bryan o'sullivan. june 19, 2006.
"hg tip was inspired by git ready. The goal: make a clean, simple site with short, easy-to-understand tips for using Mercurial."
mac os x mercurial gui (yet incomplete)