esden's Stars
esden/arc
Paul Graham's Brand New Lisp with ELCO changes
pieter/gitx
A gitk clone for OS X
arclanguage/anarki
Community-managed fork of the Arc dialect of Lisp; for commit privileges submit a pull request.
caged/gitnub
A Gitk-like application written in RubyCocoa that looks like it belongs on a Mac. See the wiki for downloads and screenshots.