Commit Together by Github - Now add co-authors to your commits
SmallDevTools - Handy developer tools with a delightful interface
GitHub Marketplace - Tools to build on and improve your workflow
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
TextLab - TextLab is the fastest way to format, prettify, transform, hash, encode, and decode your data instantly!