DiamondHacks 2026 San Diego, CA, USA San Diego's Largest Hackathon $25,710 in prizes Apr 4 – 5, 2026 366 participants
Rice Design-a-thon 2026 Online Rice Design-a-thon is a virtual, UI/UX design competition that brings student designers together to create innovative, user-centered products to empower communities Non-monetary prizes Winners announced 205 participants
