OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46655 participants
Merrimack FidHacks 2026 Merrimack, NH, USA A two-day hackathon designed to inspire first-year college women. Get paired with like-minded students to solve hacking problems and experience Fidelity's culture firsthand. $450 in prizes Jun 25 – 26, 2026 55 participants
