GHuser - Better GitHub profiles for everyone
GitNews Web - Trending repositories from GitHub, HackerNews & Reddit
GitHub Visualizer - Enter user/repo and see the project visually
Good First Issue - Make your first open-source contribution
Beautify Github Profile - This repository helps you to have a more beautiful and attractive github profile, and you can access a set of tools and guides for beautifying your github profile.
GitSpo - Measure & engage your open-source community