Bitcamp 2016 College Park, MD, USA 36 hour Hackathon at the University of Maryland, College Park $9,300 in prizes Apr 8 – 10, 2016 367 participants
Sparkathon: It’s Raining Data Online Build super-smart weather apps that harness the power of IBM Bluemix™ and Apache Spark™. $28,500 in prizes Winners announced 550 participants
Devpost Hackathon 2015 New York, NY, USA Hack on the platform or hack the company, just don't hack the Gibson. $175 in prizes Nov 12 – 13, 2015 29 participants
ObjectRocket by Rackspace Presents Hack The Block Online Build apps with impact! Create a mobile app for YOUR community using ObjectRocket by Rackspace’s MongoDB and Redis. Build. Help. Win. $25,000 in prizes Winners announced 170 participants
LevelUp 1 · Computer vision with tracking.js Online Build a computer vision or augmented reality hack with tracking.js. Non-monetary prizes Winners announced 58 participants
LevelUp 2 · Cross-platform desktop apps with Electron Online Create a cross-platform desktop app with Electron Non-monetary prizes Winners announced 25 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 62 participants
NYU ABILITY Technology Hackathon New York, New York, USA Create accessible technology with & for people with disabilities. $10,000 in prizes Apr 18 – 19, 2015 91 participants
Chrome Extension Challenge Online Make browsing more fun with Google Chrome extensions! $280 in prizes Winners announced 127 participants
Big Data for Social Good Online Big Issues. Big Data. Big Solutions. $36,000 in prizes Winners announced 1267 participants
20 Lines of JS Challenge Online Show us your best JavaScript hack in under #20lines of code! $284 in prizes Winners announced 87 participants
NoSQL Mobile App Challenge Online ObjectRocket + NoSQL + You = Rocket-powered mobile apps $20,000 in prizes Winners announced 282 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 367 participants
Explosive Remnants of War and Land Mine Reporting Apps Challenge Online Transform ordinary citizens' mobile devices into tools that can be used to report ERW and land mines $5,000 in prizes Winners announced 50 participants
Disaster Apps Challenge Online Create Innovative Ways to Improve and Refine Existing Disaster Relief Applications $5,000 in prizes Winners announced 62 participants
Project Anarchy Mobile Game Dev Challenge Online Create Anarchy with Havok! $150,000 in prizes Winners announced 694 participants
House Student App Challenge Online House App Challenge for High School Students Non-monetary prizes Winners TBD 1210 participants
CodeCombat Challenge Online Build a working parser and help others learn to code in new languages playing CodeCombat $3,250 in prizes Winners announced 128 participants
Appcelerator Enterprise App Challenge Online Show off your B2B or B2E app for a chance to win! $5,900 in prizes Winners announced 99 participants
The Fashion Hackathon Learn the industry's biggest challenges and make an impactful product. The First Place prize is a trip to San Francisco to meet with tech and retail industry players. Non-monetary prizes May 10 – 11, 2014 106 participants
GSA Travel Data Challenge Online Design and create an online, interactive tool that utilizes federal travel data to increase transparency and accountability. $35,000 in prizes Winners announced 181 participants
ConnectNYC Fiber Access Program Online Need faster, more reliable internet? NYC is helping connect the City’s growing companies to high-speed internet by providing free fiber optic construction to qualifying businesses.* Non-monetary prizes Winners announced 252 participants
Traffic Tamer App Challenge Online Help tame London’s traffic by submitting apps that can help reduce congestion on the city’s streets. $25,000 in prizes Winners announced 134 participants