The Security Checklist - The Practical Security Checklist for Web Developers

GHuser - Better GitHub profiles for everyone

SafeBase - SafeBase is the interactive security portal to share your security posture, automate access to sensitive compliance information, and subscribe to vendor security program updates.

Octohunt - Search to find developers in your city on Github.

WordPress Security Scanner - Check if your WordPress site has known vulnerabilities

GitHub Visualizer - Enter user/repo and see the project visually