Kiroween 2026 Featured Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 11035 participants
Meta VR Start Developer Competition 2026 Featured Online Accelerate your VR development journey with Meta VR Start and compete for $1M in cash prizes $1,000,000 in prizes Nov 18, 2026 03:00 PM EST to submit 5628 participants
PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 32382 participants
Codex x TwitchCon Hackathon Online Build for streamers and their community on Twitch with OpenAI Codex. $25,000 in prizes, and the top 5 are shown on the Codex Booth stage at TwitchCon. $25,000 in prizes Winners TBD 2217 participants
Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29873 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35463 participants
RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners announced 28559 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46656 participants