Git Live service displays real-time activity on GitHub
Anish athalye student at the Massachusetts Institute made an interesting visualization of GitHub activity. GitLive allows you to see the activity of users from all over the world in real time.
In order for the events to be displayed, you need to wait a bit, since this is real-time. To see the information about the event, you just need to hover the mouse. GitLive keeps track of the following GitHub activities: issues, pull requests, forks, stars.