For SmartGit/Hg, our graphical Git client with SVN and Hg support, public preview builds for the upcoming version 6 are available. The most important changes are (detailed change log):
- Completely reworked repository management
- Background fetch and refresh
- Distributed Code Review similar to the existing GitHub integration, but without the need of GitHub
- Markdown support for GitHub integration and Distributed Code Review
You are welcome to give it a try!