PennApps XII Philadelphia, PA, USA Let's Make History Together $63,650 in prizes Sep 4 – 6, 2015 903 participants
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 596 participants
YC Hacks Mountain View, California, USA Make something people want. $12,710 in prizes Aug 2 – 3, 2014 523 participants
