RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners TBD 28622 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46685 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
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 4967 participants
Google Chrome Built-in AI Challenge 2025 Online Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI. $70,000 in prizes Winners announced 14046 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 128315 participants
