Reddit’s Games with a Hook Hackathon Online Join Reddit and Phaser to build incredible games for the Reddit community! $40,000 in prizes Jul 15, 2026 09:00 PM EDT to submit 1857 participants
Slack Agent Builder Challenge Featured Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Jul 13, 2026 08:00 PM EDT to submit 3334 participants
Global AI Hackathon Series with Qwen Cloud Online Build your own AI Agent on Qwen Cloud - compete for $70K in prizes across five tracks. $45,000 in prizes Jul 09, 2026 05:00 PM EDT to submit 6103 participants
H0: Hack the Zero Stack with Vercel v0 and AWS Databases Online Front-end in minutes. Back-end designed for scale. $80,000 in prizes Winners TBD 9778 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners TBD 14496 participants
Agentic Engineering Hack New York, NY, USA We’ve stacked real infra and real AI so your hack ships as a product, not a slide. In one sprint, build agents, copilots, and autonomous systems that actually work end to end. $6,500 in prizes May 23, 2026 205 participants
CBC Hackathon 2026 @ NJIT Newark, NJ, USA Join the Claude Builder Club at NJIT for a one-day hackathon, hosted by Anthropic! $300 in prizes Apr 26, 2026 65 participants
GirlHacks 2025 Newark, NJ, USA Join us for a beginner-friendly hackathon at NJIT, empowering women and non-binary individuals in tech. $1,850 in prizes Sep 27 – 28, 2025 156 participants