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 28989 participants
AETHRA GLOBAL VIBEATHON 2025 Online Build fast. Build real. Build yours. Non-monetary prizes Winners announced 257 participants
RevenueCat Shipaton 2025 Online Ship apps and start making money. $355,000 in prizes Winners announced 53591 participants
Fun and Games with Devvit Web Online Create a new game or experience for the Reddit community! $49,000 in prizes Winners announced 2603 participants
Africa Deep Tech Challenge 2025 Online Create breakthrough solutions that thrive under constraints and unlock Africa’s deep tech potential. $20,000 in prizes Winners announced 2827 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 129558 participants
Hack Reddit 2025 Online Create a new game or experience for the Reddit community! $36,000 in prizes Winners announced 1739 participants
Building the Next-Gen Agentic App with GraphRAG & NVIDIA cuGraph Online Build the future of GenAI—unleash the power of graph to drive intelligent, adaptive systems on ArangoDB, redefining AI-driven applications and innovation! *Still time to register!* $29,750 in prizes Winners announced 1669 participants
Electroneum Hackathon 2025 Online Create innovative, scalable, and functional apps on Electroneum $52,500 in prizes Winners announced 1333 participants
Google Chrome Built-in AI Challenge Online Develop a web application or Chrome Extension that uses one or more Chrome built-in AI APIs to interact with integrated models such as Gemini Nano. $65,000 in prizes Winners announced 8521 participants