Open Data Mashup | Summer Jam Online Mashup your favorite open data sets and teach us something new. Non-monetary prizes Winners announced 137 participants
Sports Illustrated Data Hackathon New York, NY, USA Hacking sports data Non-monetary prizes May 16 – 17, 2015 33 participants
Harlem Tech Challenge Online Help put #harlemtech on the map. Create a mobile friendly website that celebrates Harlem's growing tech community. $4,500 in prizes Winners announced 59 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