Why is this interesting? - Every weekday Noah Brier & Colin Nagy (and friends) send an email about something interesting.
GitHub Contributions - All your GitHub contributions in one image
Hacker Newsletter - Best of Hacker News in your inbox every Friday.
GitHub Metrics - Customize your profile with various plugins and metrics
Hive - Seamless project management and collaboration for your team.
GitWrapped - View/Share how you contributed to Github over the years