GitHub Visualizer - Enter user/repo and see the project visually
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.
Learn X in Y minutes - LearnXinYminutes isn’t a good way to learn your first programming language, but it’s a great way to...
GitHub Personal Website Generator - Generate a personal website based on GitHub contributions
Programming Languages Influence Network - Visualizing influence relations of programming languages
Jekyll-post-via-web - Update your GitHub-hosted Jekyll blog from your browser