Kiroween Online Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode $100,000 in prizes Winners announced 4981 participants
Multimodal AI Agents San Francisco, CA, USA Multimodal AI Agents Hackathon $17,300 in prizes Feb 15 – 16, 2025 184 participants
Yelp Hackathon Online Build the next generation of local apps with the Yelp API $8,500 in prizes Winners announced 713 participants
