APIs With GitHub - Create simple JSON APIs with GitHub Repository
HubPress - A free, open source tool you can use to build a blog using GitHub Pages and AsciiDoc. HubPress is a web application that makes it easy for you to maintain a blog.
GitLocalize - Localize your GitHub repository, continuously.
GitHub Personal Website Generator - Generate a personal website based on GitHub contributions
HackfestWithFueler - 100+ Open Source Repositories
Ghostly - iPhone app for Ghost blogs