GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
SmartGit - SmartGit is a front-end for the distributed version control system Git and runs on Windows, Mac OS...
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
SourceTree - Mac and Windows client for Mercurial and Git.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.