PayPal AI Hackathon Featured Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 31280 participants
Hack for Humanity | 2025 Online Create software for social good $105,295 in prizes Winners announced 1024 participants
OpenLedger Ideathon Online Create a 5-slide pitch deck for a specialized language model idea + data source - NO CODE NEEDED. $2,000 in prizes Winners announced 292 participants
