Yelp Hackathon Online Build the next generation of local apps with the Yelp API $8,500 in prizes Winners announced 713 participants
Apps for Alberta Online Use Alberta open data to create apps for Alberta $70,000 in prizes Winners announced 153 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
The MTA and AT&T Present: App Quest 3.0 Online More data. More connectivity. More smartphone apps. Make New York’s transit experience three times better. $50,000 in prizes Winners announced 279 participants
Wearable World Invents: The Connected Airport Online An Innovative Virtual Developer Challenge Featuring San Francisco International Airport (SFO) $16,525 in prizes Winners announced 112 participants
NoSQL Mobile App Challenge Online ObjectRocket + NoSQL + You = Rocket-powered mobile apps $20,000 in prizes Winners announced 282 participants
TechCrunch Disrupt EU Hackathon 2014: London London, United Kingdom Calling hackers, developers and designers— strut your stuff and you could win tickets to Disrupt EU! £3,500 in prizes Oct 18 – 19, 2014 310 participants