Git Random - Chrome extension to replace new tab with random github user
Trending Duck - Get data driven trends of top physical/ecom products, weekly
Code Climate for Google Chrome - Code quality and test coverage, directly in GitHub
GitWrapped - View/Share how you contributed to Github over the years
Devo - Devo delivers real-time operational & business value from analytics on streaming and historical data to operations.
Sawia - Find trending open source projects to contribute to