Cloud Run Hackathon Online Build applications with Cloud Run $50,000 in prizes Winners announced 3429 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8652 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 2821 participants
SpaceHack 2025: Space Data Challenge Online Shaping the Future of Space Exploration through Data, AI, and Connectivity $500 in prizes Winners announced 429 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 128413 participants
AI in Action Online Innovate Together: A Multi-Partner Google Cloud Hackathon $50,000 in prizes Winners announced 6697 participants
DaiBuild Hackathon Abraka, Nigeria "Building Stable Innovations for a Decentralized Future." $750 in prizes May 1 – 21, 2025 50 participants
GNEC Hackathon 2025 Spring - Compete For UN-Affiliated/NGO Internships & Prizes Online Create projects benefiting UNSDGs for a chance to work along UN affiliated NGOs! $10,000 in prizes Winners announced 1652 participants
Meta Horizon Creator Competition: Mobile Genre Showdown Online Compete for up to 30 prizes, with a top prize of $100,000 per genre and a total prize pool of $1,000,000 $1,000,000 in prizes Winners announced 1544 participants
PortXFolio Online Show us the limitless creativity you can bring to your own portfolio! Design, innovate, and craft something truly unique that reflects your skills, passion, and vision. $5,600 in prizes Winners announced 1051 participants
Global AI Agents League Online A Nexus of AI Agents $10,000 in prizes Winners announced 1459 participants
WGGF2025_Green Growth Idea Hackathon Pohang-si, South Korea Green Growth Vision to Promote Citizen Participation $1,799 in prizes Mar 10 – 31, 2025 49 participants
Hackiethon 2025 Online Hackiethon 2025 is a coding competition in which participants will create JavaScript widgets that can be integrated into any compatible website. $850 in prizes Winners announced 91 participants
Hack Reddit 2025 Online Create a new game or experience for the Reddit community! $36,000 in prizes Winners announced 1743 participants
Healthcare Hackathon with AI (H2AI) Washington, DC, USA Your chance to shape the future of medicine using AI. $15,000 in prizes Mar 9 – 16, 2025 246 participants
Predictive AI In Healthcare with FHIR® Online Bringing AI and Evidence Together for SMARTer Decisions in Healthcare $25,000 in prizes Winners announced 2424 participants
