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 9237 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46665 participants
MLH Fellowship Explorer: Sprint 2 - Batch 2 Online Explorer Sprint 2 - Ethical Data $200 in prizes Winners announced 71 participants
MLH Fellowship Explorer: Sprint 0 - Batch 2 Online Explorer Sprint 0 - Developer Tools Non-monetary prizes Winners announced 66 participants