Samsung Gear App Challenge Online Your world. Your wrist. Create the best Samsung Gear App and change your universe. $400,000 in prizes Winners announced 2756 participants
NYC Cryptocurrency Challenge 2014 New York, NY, USA Build tools that expand accessibility, utility, or application of cyptocurrency or other digital currency technologies. $14,100 in prizes Jan 17 – 20, 2014 77 participants
ETS Assessment Games Challenge Online ETS challenged developers to create a math assessment task in the form of a game! $8,000 in prizes Winners announced 152 participants
The Evernote Devcup Online Build the next generation of memorable apps using the Evernote platform. $101,200 in prizes Winners announced 877 participants
Media Mash 2012 Online NYC Media Lab challenged developers to drive media innovation by mashing up APIs, feeds, and data from New York City media and technology companies. $10,000 in prizes Winners announced 186 participants
NYC BigApps 3.0 Online New York City challenged software developers to create apps that use city data to make NYC better. $50,000 in prizes Winners announced 633 participants
NYC BigApps Ideas Online New York City challenged the public to share ideas for apps for residents, businesses, and visitors. $5,000 in prizes Winners announced 354 participants