Bookmarking for GitHub is a chrome extension which enables bookmarking feature for github. Bookmark your favorite repositories and organize them with custom tags.
Repo Hunt is an mobile application that allows you to discover and share most trending GitHub repositories
Beautiful documentation & superpowered markdown from your GitHub Repository
create-repo is a Ruby gem that automatically creates a Github repository and pushes your local repo to the remote repo. No need to go to the browser and sign in to Github.
OctoSearch is a web app that let's you search the repositories starred by your following on GitHub.