GenHacks Online Welcome to GenHacks! The greatest virtual hackathon you have ever seen. Once in a generation. $CAD 1,050 in prizes Dec 26, 2026 12:00 AM EST to submit 257 participants
Codegeist 2026: Build with context. Ship with confidence. Online Build on Forge, extend Atlassian products, and turn connected context into powerful new apps for teams — win your share of $120K. $120,000 in prizes Dec 22, 2026 03:00 PM EST to submit 2733 participants
Arbiter Hacks V1 Online Open innovation for all, submit projects that have potential impact and usability! $7,800 in prizes Dec 21, 2026 12:00 AM EST to submit 1017 participants
AI Agents for Founders Challenge — HETIC 2026 Online Create AI agents that give founders back their most valuable asset: time to think. €1,000 in prizes Dec 18, 2026 05:00 PM EST to submit 292 participants
Silicon Valley Buildathon Online Take a rough idea off the workbench, turn it into a working prototype, and show what it can do at Silicon Valley Buildathon. $500 in prizes Dec 15, 2026 11:45 PM EST to submit 45 participants
QNX Global Hackathon Online The power to shape the world $50,000 in prizes Dec 15, 2026 02:00 PM EST to submit 1172 participants
AI OpenBuild Online Build anything with AI. Turn models, data, and bold ideas into working experiences. $150 in prizes Dec 10, 2026 11:45 PM EST to submit 86 participants
SLAY HACKS Online Build bold. Code creatively. Slay real-world challenges. A hackathon for curious beginners and passionate builders to turn fresh ideas into working projects. $4,500 in prizes Dec 07, 2026 05:00 PM EST to submit 135 participants
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 11735 participants
Code for Change Online Build practical technology that creates positive change in communities. $200 in prizes Dec 01, 2026 08:00 PM EST to submit 68 participants
#BuildHybridAI 2026 Online Build AI apps that run on-device and in the cloud with Firebase AI Logic. $30,000 in prizes Submissions open soon 1381 participants
CSC Winter Sparkathon Online Build technology that brings people together or helps people support one another $300 in prizes Nov 30, 2026 03:00 AM EST to submit 149 participants
SafeSpace Hacks Online Build a little more peace of mind. Create anything that helps people, communities, or systems stay safer. $280 in prizes Nov 22, 2026 05:00 PM EST to submit 391 participants
Dakar Bitcoin Hack by BTrust Online Create tools that will enhance the life of African people, around or on top of the Bitcoin protocol, the lightning network, nostr and AI. $900 in prizes Nov 20, 2026 03:00 PM EST to submit 225 participants
UGREEN Hackathon 2026 on AI NAS Featured Online Bring Your Skills to UGOS $46,000 in prizes Nov 16, 2026 02:45 AM EST to submit 2079 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 33917 participants
Agentic Hackathon Online A nationwide hackathon to build useful AI products with Devin, $480 in prizes Nov 11, 2026 12:45 PM EST to submit 268 participants
DATANOVA 2026 GLOBAL DATA-THON Online Not just a hackathon. A platform for meaningful innovation. $1,750 in prizes Winners TBD 174 participants
Ctrl+V Hackathon Online Build with AI and technology to break barriers, expand access, and create smart solutions that help people reach what they need faster. $28,000 in prizes Winners TBD 226 participants