GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
SourceTree - Mac and Windows client for Mercurial and Git.
wikiHow - wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
AllAnswered - Your Team's Collective Brain All-In-One Knowledge Management System Wiki + Q&A + Workflow + AI