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Re:Update on Julie Horvath's Departure by narohi on Monday March 17, 2014 @02:45AM (#7413513)
That's probably a custom client for Campfire (right underneath the screenshot[1] they say it's Campfire).

[1]: http://zachholman.com/posts/github-communication/ (first screenshot)

Re:Update on Julie Horvath's Departure by madeofpalk on Monday March 17, 2014 @09:25AM (#7414854)
I was confused when I read the tweet after the article, but this seems like the most likely explanation