Kiroween 2026 Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 8900 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46665 participants
AWS Marketplace Developer Challenge: ML Powered Solutions Online Develop a creative solution with ready-to-use ML models from AWS Marketplace deployed on Amazon SageMaker $58,000 in prizes Winners announced 1052 participants