Kiroween 2026 Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 10650 participants
VoltHacks Online Design. Build. Power the Future. Non-monetary prizes Winners announced 2147 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 3688 participants
Build with Gemini XPRIZE Online $2,000,000 in prizes. Build with Gemini. Ship products that impact the world. $2,000,000 in prizes Winners announced 26393 participants
Backblaze Generative Media Hackathon: Build with Genblaze on B2 Online Build the next generation of AI media apps. Generate with Genblaze. Store on Backblaze B2. $10,000 in prizes Winners announced 1307 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46658 participants