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.
Folk - The next generation contact manager
GitHub Personal Website Generator - Generate a personal website based on GitHub contributions
LegelSifter - Contract Management for the Rest of Us. Never forget to follow up, never miss a deadline, never lift a finger.
Ghostly - iPhone app for Ghost blogs
Cherry Pie - Chrome extension to craft the perfect pull request