Hack for Humanity | Summer 2026 Online AI for Mental/Physical Health and Concussion Recovery $100 in prizes Winners announced 1356 participants
3D Websites Hackathon Online Build the most creative and visually stunning 3D website imaginable. No limits. Just creativity. $55 in prizes Winners announced 1580 participants
BASK(Business Achievement Spotlight for Kids) Monthly Pitch Competition Online Pitch your business, non-profit or passion project for a chance to win $1,000 in prizes! Open every month! $600 in prizes Winners TBD 117 participants
Reddit’s Games with a Hook Hackathon Online Join Reddit and Phaser to build incredible games for the Reddit community! $40,000 in prizes Winners announced 3062 participants
USAII® Global AI Hackathon 2026 Online (* REGISTRATION EXPIRED JUNE 6 11:59 PM ET *) A global virtual AI hackathon empowering students to build solutions for real-world good—from everyday impact to career readiness. $15,000 in prizes Winners announced 6063 participants