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 8921 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 2221 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35470 participants
RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners announced 28561 participants
Agentic Cinema: The Blockbuster Hackathon Online Lights. Camera. Code. $75,000 in prizes Winners announced 10086 participants
ZerveHack Online Stop thinking about it. Build it. Zerve AI Hackathon, $10,000 in prizes. $10,000 in prizes Winners announced 2220 participants
Reddit and Kiro: Community Games Challenge Online Reddit and Kiro are hosting a virtual hackathon for the best community game! $45,000 in prizes Winners announced 1924 participants
BlazeHacks Domara Pocham Pally, India This event has been cancelled due to internal organizational issues. We sincerely apologize for the inconvenience. ₹ 100 in prizes Oct 6 – 7, 2025 421 participants
Baseline Tooling Hackathon Online Accelerate availability of modern web features $10,000 in prizes Winners announced 2917 participants
Tech 4 Social Good Online Build a solution that empowers learners €2,000 in prizes Winners announced 504 participants
Proof of Concept Online If you could prove any data on the internet - what would you build? $25,000 in prizes Winners announced 1894 participants