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 8640 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
Agents for Humans Hackathon Online Build an AI agent with Strands Agents SDK that handles repetitive tasks $40,000 in prizes Winners announced 9756 participants
Agentic Cinema: The Blockbuster Hackathon Online Lights. Camera. Code. $75,000 in prizes Winners announced 10086 participants
Reddit Mod Tools and Migrated Apps Hackathon Online Join Reddit to build moderation tools for the Reddit community! $45,000 in prizes Winners announced 3088 participants
Elasticsearch Agent Builder Hackathon Online Build context-driven agents fast with Elasticsearch $20,000 in prizes Winners announced 2088 participants
DevStudio 2026 by Logitech Online Join the first ever Logitech Developer Challenge for a chance to win an all-expenses-paid trip to Switzerland and a $10,000 cash prize. $20,000 in prizes Winners announced 1299 participants
RevenueCat Shipyard: Creator Contest Online Collaborate with creators to build their app in 1 month $165,000 in prizes Winners announced 7043 participants
The Reddit Daily Games Hackathon Online Join Reddit and GameMaker to build incredible daily games for the Reddit community! $40,000 in prizes Winners announced 2976 participants
Meta Horizon Start Developer Competition Online Accelerate your VR development journey with Meta Horizon Start and compete for $1.5M in cash prizes. $1,500,000 in prizes Winners announced 2865 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 129559 participants