Startup Universal - The Wikipedia of global startup ecosystems
Trending Duck - Get data driven trends of top physical/ecom products, weekly
Foundersuite - Tools to get startup sh*t done!
Code Climate for Google Chrome - Code quality and test coverage, directly in GitHub
Visible - Visible is a wireless service by Verizon that offers unlimited data for a small price and enables you to earn a few bucks by referring friends.
Request for maintainers - Find any OSS project calling for collaborators