The last commit on Pieter's master branch is From Oct 2, 2009:
https://github.com/pieter/gitx/commits/master I've been using brotherbard's experimental branch for a year now and it's been very stable: https://github.com/brotherbard/gitx/commits/experimental The last commit on this branch is Nov 16 2010. I tried laullon's branch but it was unstable and I couldn't build it.
