The WebMCP Challenge Featured Online 10 days for exploring what’s possible with WebMCP $35,000 in prizes Sep 03, 2026 04:00 PM EDT to submit 6325 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46713 participants
2019 Developer Circles from Facebook Community Challenge Online Build software using React360, Spark AR, or HTML5 Games to give people the power to connect with friends and family, find communities and grow businesses. $167,500 in prizes Winners announced 12034 participants
