Commit Together by Github - Now add co-authors to your commits
Chrome Developer Tool - Develop and Debug Chrome Apps & Extensions. By Google
Commit Print - Posters of your git history
Spaceship ZSH - Powerful, customizable Zsh prompt, your own spaceship ๐
gitbird - So, I don't always remember to tweet what I do, but commit my code often, and what do users love more than your product?
GitHub Student Developer Pack - The best developer tools, free for students.