Most active GitHub users (git.io/top)
The count of contributions (summary of Pull Requests, opened issues and commits) to public repos at GitHub.com from Sun, 20 May 2012 00:19:12 GMT till Mon, 20 May 2013 00:19:12 GMT.
Only first 1000 GitHub users according to the count of followers are taken. Sorting algo in pseudocode:
githubUsers
.filter((user) -> user.followers > 176)
.sortBy('contributions')