OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8656 participants
Hack for a Sustainable Future Online Showcase your skills with Esri and TechCrunch $18,500 in prizes Winners announced 302 participants
GE Health Cloud Innovation Challenge Online Show the world how your application is going to change healthcare. $50,000 in prizes Winners announced 445 participants
Code Healthy with OpenShift Online Healthy code, healthy lives: build apps for better health with OpenShift. $150,500 in prizes Winners announced 559 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 312 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 127 participants
KPCB Fellows Challenge Online We're looking for mission and impact-driven people to build for good. Help us solve tough non-profit challenges with innovative tech. $1,000 in prizes Winners announced 75 participants
SAMHSA's Opioid Overdose Prevention Challenge Online Submit an innovative tool or app to prevent opioid-related overdoses. Win cash. Help save lives. $22,500 in prizes Winners announced 77 participants
Super-Utilizer Health Innovation Challenge Online Improve health care for low-income, high-need ‘super-utilizers’ by designing innovative digital health solutions that address their complex health and social issues. $50,000 in prizes Winners announced 177 participants
PACT Healthcare App Challenge Online Create consumer applications to help chronically ill diabetes patients lower medical costs through proactive condition management. $47,500 in prizes Winners announced 131 participants
HACKANODE 2014: Internet of Things Mobile App Global Challenge Online Award-winning NODE+™ sensor platform for iOS and Android adds value to the bottom line for companies and inspires entrepreneurs and students worldwide. $10,000 in prizes Winners announced 168 participants
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 2729 participants