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 4977 participants
Reddit and Kiro: Community Games Challenge Online Reddit and Kiro are hosting a virtual hackathon for the best community game! $45,000 in prizes Winners announced 1927 participants
RevenueCat Shipaton 2025 Online Ship apps and start making money. $355,000 in prizes Winners announced 51894 participants
GKE Turns 10 Hackathon Online Build next gen microservices with AI Agents $50,000 in prizes Winners announced 4713 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8648 participants
Perplexity Hackathon Online Create an internet-enabled project to inspire curiosity, seek knowledge, or reason through complex tasks. $35,000 in prizes Winners announced 4361 participants