Chengzhen gong (chengzhen49959)

FIND EVIL!

Online

AI threats strike in minutes. Build the defender that responds in seconds.

$22,000 in prizes
Jun 15, 2026 11:45 PM EDT to submit
3528 participants

Reddit Mod Tools and Migrated Apps Hackathon

Featured

Online

Join Reddit to build moderation tools for the Reddit community!

$45,000 in prizes
May 27, 2026 09:00 PM EDT to submit
2715 participants

Build with MeDo Hackathon

Online

Build creative applications with MeDo, no coding required. Push the boundaries of what you can create.

$50,000 in prizes
Winners TBD
8464 participants

Agents Assemble - The Healthcare AI Endgame

Online

Build Interoperable Healthcare Agents at the Intersection of MCP, A2A, and FHIR

$25,000 in prizes
Winners TBD
4339 participants

GitLab AI Hackathon

Online

You Orchestrate. AI Accelerates.

$65,000 in prizes
Winners announced
6963 participants