GitHub Visualizer - Enter user/repo and see the project visually
Momentum - Agile goal and performance management
Codeology - Open-source algorithm that visualizes GitHub projects
New Tab by Flickr - Get a beautiful photo each time you open a new tab
The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style
Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.