I\'m searching for compelling Git and Mercurial clients on Mac OS X. The most clients I\'ve found so far were less compelling as I expected. Some of the clients are programmed e
Git
Colleague has had good experiences with GitBox.
SmartGit wins on windows from what i have seen, nothing else is comparable. It may be a bit strange at first sometimes. (i.e. FETCH is not directly available, instead you have to PULL and choose in the popup window not to merge directly. Once you know that it is no problem.) It also has a nice graphical log viewer.
SmartGit is multiplatform, so it will work everywhere quite the same, and thus would be my recommendation in a multi-OS environment.
hg
Sorry, no experience on mac with it.