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 12641 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 35190 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
YouCam API Skin AI & eCommerce VTO Hackathon Online Build with the YouCam API to Shape the Future of Skincare, Beauty, Fashion and eCommerce - Compete for Top Prizes $6,000 in prizes Winners TBD 1702 participants
Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29868 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35458 participants
Agents for Humans Hackathon Online Build an AI agent with Strands Agents SDK that handles repetitive tasks $40,000 in prizes Winners announced 9755 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46652 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 129552 participants
Hydra Hacks Online West Coast's largest hackathon for marginalized genders. $5,000 in prizes Winners announced 144 participants
DeveloperWeek Europe 2022 Hackathon Online Join the largest European challenge-driven virtual hackathon! €59,654 in prizes Winners announced 147 participants
DevRev Hackathon - Coding with AI Online Use AI to code and automate Developer tasks $23,000 in prizes Winners announced 1521 participants
Open AI API Future Tech Hack Online Open AI GPT-3, Codex and Copilot Hackathon Non-monetary prizes Winners announced 125 participants
HubSpot Themes Challenge 2021 Online Build website themes for HubSpot’s marketplace to compete for a Tesla and over $100,000 in cash prizes. $160,500 in prizes Winners announced 878 participants
Hacky Winterland Online Get Hacky at Hacky Winterland Non-monetary prizes Winners announced 212 participants
YouthHacks Online Tackling socioeconomic issues in our world! Justin Liu (Founder/CEO), Suyash Bhardwaj (Outreach Director), Ishaan Patel (Lead Web Developer) & Tejas Kallu (Operations Director) $4,370 in prizes Winners announced 138 participants