All the teams I have been part of have used chat together with Github. First team used Campfire, on the second team we started out with Hipchat, but we decided

All the teams I have been part of have used chat together with Github. First team used Campfire, on the second team we started out with Hipchat, but we decided to give Flowdock a try, and now we can't live without the chat threads that Flowdock provides.