Code for Humanity Online Build technology that reaches the people who need it the most. Non-monetary prizes Jan 15, 2027 07:00 AM EST to submit 836 participants
SUSTAIN-A-THON 2.0 Ruhallapur, India IDEATE | INNOVATE | IMPACT $150,000 in prizes Oct 27 – 28, 2026 51 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
All Things Agentic Hackathon Online Ready, Set, Agent! Build next-generation agents that run in the background, handle the heavy lifting of massive datasets, and automate complex workflows asynchronously. $180,000 in prizes Winners announced 12258 participants
CockroachDB × AWS Hackathon - Build with Agentic Memory Online Agents that think. Agents that act. Agents that remember; reliably, globally, at any scale. $8,750 in prizes Winners announced 3687 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46657 participants
GlobeHack Tempe, AZ, USA Build the Tech. Sell the Vision. Non-monetary prizes Apr 18 – 19, 2026 250 participants