PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 15924 participants
RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners TBD 28603 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46685 participants
Slack Agent Builder Challenge Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Winners announced 4415 participants
Reddit Mod Tools and Migrated Apps Hackathon Online Join Reddit to build moderation tools for the Reddit community! $45,000 in prizes Winners announced 3088 participants
Build with MeDo Hackathon Online Build creative applications with MeDo, no coding required. Push the boundaries of what you can create. $50,000 in prizes Winners announced 8338 participants
Agents Assemble - The Healthcare AI Endgame Online Build Interoperable Healthcare Agents at the Intersection of MCP, A2A, and FHIR $25,000 in prizes Winners announced 4297 participants
Kiroween Online Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode $100,000 in prizes Winners announced 4967 participants
Hack The League Chapter 2 Kukas, India Heroes Reborn ₹ 530,308 in prizes Apr 8 – 9, 2023 1614 participants
Cloud Native Hackathon Online Cloud Native Hackathon is an initiative to bring together students, professionals, and even beginners from around the world to innovate and build projects in the domain of DevOps. $13,382 in prizes Winners announced 6099 participants
