Amazon Nova AI Hackathon Online Build your way with Amazon Nova $40,000 in prizes Winners announced 13449 participants
DeveloperWeek 2026 Hackathon San Jose, CA, USA Join the nation's largest challenge-driven in-person and online hackathon @ DeveloperWeek 2026! $23,000 in prizes Feb 2 – 20, 2026 1808 participants
Hex-a-thon Online Build the analysis you wish existed. Join Hex's virtual hackathon to analyze, build, and explore data with AI — all in one place. $10,000 in prizes Winners announced 1456 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 4981 participants
Build Resilient Apps with Polkadot Cloud Online Radically open, radically useful $40,000 in prizes Winners announced 2730 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 14078 participants
