A HipChat integration primarily intended to help its users collaborate on places to get lunch
You can find an article I've written on ideology behind LunchTrain here -> http://clypd.com/staying-on-track-for-lunchtime/
Usage (from within HipChat, presumes set up with /train as the slash cmd):
/train help Displays the help
/train start <Duration (int, minutes)> Starts a train to that leaves in mins
/train join Joins a train going to the specified destination
/train passengers Reports all passengers for the specified destination
/train active Reports a list of all the active trains and the time left on them