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 981 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 32359 participants
Build With AI: Basics Online Learn AI best practices by creating a solid proof-of-concept for your dream project. $2,500 in prizes Winners announced 5096 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
Build with Gemini XPRIZE Online $2,000,000 in prizes. Build with Gemini. Ship products that impact the world. $2,000,000 in prizes Winners announced 26393 participants
United Hacks V7 Online Showcase both your technical and presenting abilities and collaborate with like minded individuals to make and pitch a project during United Hacks V7. $700 in prizes Winners announced 1177 participants
AI Autonomous Smart City Hackathon 2026 Online Build AI systems that enable cities to think, adapt, and operate autonomously in real time. Non-monetary prizes Winners announced 86 participants