Other Tools that work with Mercurial
[http://www.cyd.liu.se/~freku045/gct hgct] is a GUI-based commit tool
[http://www.darcs.net/DarcsWiki/Tailor tailor] is a tool for converting between SCMs
hgit is a port of the gitk history browser and can be found in contrib. See ExtensionsHowto for install information.
- scripts to use git-viz with Mercurial can be found in contrib