CADLAB.io - CADLAB.io is a cloud-based service offering Git version control repositories optimized for hardware development.
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
GetAccept - GetAccept is a Sales tool for electronic signatures and sales document automation.
SourceTree - Mac and Windows client for Mercurial and Git.
Altium Designer - PCB Design Software
Git Force - Git Force is one of the powerful tools that allow you to push changes in the commit history, making it free not to line with new or anyone in the future.