PennApps XII Philadelphia, PA, USA Let's Make History Together $63,650 in prizes Sep 4 – 6, 2015 903 participants
TechCrunch Disrupt NYC 2015 New York, NY, USA Calling hackers, developers and designers— strut your stuff and win tickets to Disrupt NY $17,000 in prizes May 2 – 3, 2015 400 participants
LAUNCH Hackathon 2015 San Francisco, CA, USA Launch 2016 here: launch.devpost.com/ $101,500 in prizes Feb 27 – Mar 1, 2015 1310 participants
