GitHub Visualizer - Enter user/repo and see the project visually
Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.
CodeFlower - CodeFlower visualizes source code repositories using an interactive tree.
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
SyntaxDB - Easily look up programming syntax for multiple languages
Tumblr - A feature rich and free blog hosting platform offering professional and fully customizable templates, bookmarklets, photos, mobile apps, and social network integration.