SmartGit is a graphical version-control client for Git, Mercurial, and Subversion. It is designed to wrap Git's and Mercurial's powerful commands into a slick and easy-to-use user interface and runs on Windows, OS X, and Linux. SmartGit is free for non-commercial use; pricing for commercial use can be found here.

Git:

• External tools: default external tool "Format Patch" failed if output directory contained spaces in path
• Log: Cherry-Pick and Revert did not work in filtered view
• Pull: "origin" was not preselected if present and there was no tracked branch
• Push: possible internal error

SVN:

• Internal error if trying to push a new branch

Linux:

• Dropping directories on the Repositories view (to add repositories) did not work internal error when launching with IBM JRE

OS X:

• Changes toolbar sometimes lost "Next Change" item