CollaborationFest , CoFest for short, is a collaborative work event that has been held each of the past 13 years as a satellite event of BOSC. At these free events, held right before or after BOSC, participants gather in small groups to exchange ideas and work togetheron projects including but not limited to hacking. Participants were encouraged to submit their project ideas in advance to facilitate collaboration.
A Sat, study studied this question.