GitHub Metrics - Customize your profile with various plugins and metrics
SyntaxDB - Easily look up programming syntax for multiple languages
GitHub Contributions - All your GitHub contributions in one image
Learn X in Y minutes - LearnXinYminutes isn’t a good way to learn your first programming language, but it’s a great way to...
Contributions for GitHub - Show your GitHub contributions graph on your iOS Devices
Learn Anything - Search Interactive Maps to Learn Anything