PennApps Winter 2015 Philadelphia, PA, USA The nation's chillest college hackathon. January 16-18, 2015 at the University of Pennsylvania. $46,060 in prizes Jan 16 – 18, 2015 595 participants
PennApps Spring 2014 Philadelphia, Pennsylvania, USA The World's Premier College Hackathon $29,000 in prizes Feb 14 – 16, 2014 589 participants
