SyntaxDB - Easily look up programming syntax for multiple languages
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
Learn X in Y minutes - LearnXinYminutes isn’t a good way to learn your first programming language, but it’s a great way to...
Gitstalk - Discover what your favorite GitHub users are up to
Learn Anything - Search Interactive Maps to Learn Anything
Board for Github - A webview based GitHub project app with native features