Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
codepad - Very simple webpage with a simple textbox, a checkbox for selecting one of several languages and an...
Octoview - The missing preview feature for GitHub
Betterer - Improve your codebase, incrementally
Dyllo - A clean and simple way to view a Github user's information
CodeMyUI - Handpicked code snippets you can use in your web projects