GitHub Metrics - Customize your profile with various plugins and metrics
OpenGrok - OpenGrok is a fast and usable source code search and cross reference engine.
Contributions for GitHub - Show your GitHub contributions graph on your iOS Devices
GrepCode - GrepCode.com is a code search engine built by developers for developers to search and browse open...
GitHub Contributions - All your GitHub contributions in one image
Krugle - Krugle is the complete enterprise solution for search targeted to the development organization.