GitHub Visualizer - Enter user/repo and see the project visually
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Codeology - Open-source algorithm that visualizes GitHub projects
Clever - syncing between education applications for K-12 schools
The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style
Claroline - Claroline is a collaborative eLearning and eWorking platform.