Commit Together by Github - Now add co-authors to your commits
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
GitHub Marketplace - Tools to build on and improve your workflow
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
VC Starter Kit - Everything you need to look like a Venture Capitalist