GitHub Contributions - All your GitHub contributions in one image
GitWrapped - View/Share how you contributed to Github over the years
GitHub Metrics - Customize your profile with various plugins and metrics
GitHub Skyline - View and print a 3D model of your GitHub contribution graph
JANDI - JANDI is a group-oriented messaging platform with an integrated suite of collaboration tools that is tailor-made for workplaces in Asia.
GitMerch - Get a T-shirt with your GitHub contribution map on it