Alexa Skills Challenge: Kids Online Build an Alexa skill that educates, entertains, and engages kids under 13 $202,500 in prizes Winners announced 2545 participants
AWS IoT App Challenge Online Build cool IoT apps that put sensor data to work using AWS IoT and Amazon Kinesis! $12,940 in prizes Winners announced 796 participants
Intel Hacks 2017 Online Plug, play, and power up with Arduino 101 to win prizes. $20,000 in prizes Winners announced 863 participants
Atlassian Codegeist 2016 Online Atlassian Codegeist Hackathon 2016 $100,000 in prizes Winners announced 910 participants
USDA Innovation Challenge Online Help build a sustainable US food system by putting USDA data into the hands of farmers, researchers, and consumers. $63,000 in prizes Winners announced 322 participants
Go Interactive: Magnet Mobile App Challenge Online Add innovative messaging to mobile apps to deliver a more interactive mobile experience. $21,000 in prizes Winners announced 137 participants
Atlassian Codegeist: Add-on Hackathon Online Atlassian Add-on Hackathon:Extend JIRA, Confluence, HipChat or Bitbucket $100,000 in prizes Winners announced 898 participants
Reference Data Challenge Online You know code. Scientists know data. Help NIST improve the way we share our scientific reference data by building an App today! $45,000 in prizes Winners announced 129 participants
MoxoHack App Challenge Online MoxoHack: Build the next generation app by integrating real time engagement to your mobile and web apps using the Moxtra SDK $7,500 in prizes Winners announced 115 participants
Epson Moverio Develop the Future App Challenge Online Create the best Moverio Smart Glasses App. Augment your world and your wallet: Ideation Phase 1 $13,592 in prizes Winners announced 158 participants
The Happiness App Challenge Online Shape the future of humanity by creating apps to increase happiness, productivity and well being! $50,000 in prizes Winners announced 746 participants
Mobility Integration Challenge Online Make multi-modal trips simpler! Help people connect to multiple modes of transportation in cities with complex geographical constraints such as Chongqing. USD$30,000 in prizes Winners announced 94 participants
Urban Commuter Challenge Online Help commuters in the world's largest city. Submit commuter-focused software for Shanghai and similar cities beyond! USD$30,000 in prizes Winners announced 110 participants
Walgreens Balance Rewards App Challenge Online Wanted: Top, New Balance Rewards Integrations. Connect with Walgreens to receive Balance Rewards points for healthy activities. $13,000 in prizes Winners announced 110 participants
Yo App Challenge Online Yo now has location and links! The possibilities are endless! Let creativity prevail! $7,500 in prizes Winners announced 175 participants
Apps for Class Online Win $20,000 and have your beta learning app tested in a live classroom! Teacher-tested and student-approved! $240,000 in prizes Winners announced 83 participants
City Mobility Challenge Online Big impact for large cities. Use software to redefine and improve how goods and services are delivered in Lisbon and other large cities. $30,000 in prizes Winners announced 85 participants
Realtime 3D Visualization App Challenge Online Create the Ultimate Interactive 3D Visualization App and Win $2,000! $2,000 in prizes Winners announced 33 participants
Connected Intersections Online Smart phones are increasingly the common denominator among pedestrians, cyclists, and drivers on NYC's crowded streets. Create technology to connect those in traffic and keep pedestrians safe and alert. $50,000 in prizes Winners announced 371 participants