GitX is just awesome, and getting better every day. You can currently stage and commit changes using the app, among other things (check out the 'committing' and

GitX is just awesome, and getting better every day. You can currently stage and commit changes using the app, among other things (check out the 'committing' and 'advanced' screencasts on http://gitx.frim.nl/seeit.html http://gitx.frim.nl/seeit.html). Best of all: it's open source and makes great use of HTML & JavaScript. Even if you don't know ObjC, you can contribute.