Listing Hackathons

Time to Accelerate European Defense Innovation! Join us and 100+ hackers from all across Europe and beyond for the European Defense Tech Hackathon in Hamburg in mid-October 2025! Goal We want to bridge the gaps between technologists, the public sector, investors, and operators in dual-use and defense technology. This hackathon will demonstrate the talent and drive of the European ecosystem. Get inspired by the challenges we have prepared, or feel free to bring your own project. You'll get feedback from folks who have been on the frontline to ensure you're solving real problems.

Signal Intelligence. Combat First Aid. Maritime Dominance. Join us and 100+ hackers from across Europe and beyond for the European Defense Tech Hackathon on Aug 29-31, 2025, in Copenhagen, Denmark. Connect with fellow defense innovators, meet potential co-founders, and work on projects that have the potential to save lives! We'll prepare challenges based on real-world problems, and you can bring your own project. You'll get feedback from experienced mentors, and we'll put you in a position to deploy your project in the real world after the hackathon 🚀 More information on our event website: https://eurodefense.tech/hackathons/copenhagen-2025/

Time to Accelerate European Defense Innovation Join us and 200+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on July 9-12, 2026, in Berlin, Germany. Wanna come as a visitor? Join our EDTH Community here: https://community.eurodefense.tech/ Connect with fellow defense innovators, meet potential co-founders, and build projects with real-world impact that could save lives. We’ll bring challenges rooted in pressing defense and security problems, and you’re welcome to bring your own ideas.

Time to Accelerate European Defense Innovation Join us and 200+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on November 13-16, 2025, in Berlin, Germany, right before the Berlin Security Conference. We're excited to co-host the hackathon with the Bundeswehr Cyber Innovation Hub—the change agent of the Bundeswehr (German Federal Armed Forces), connecting them with builders, startups, and innovative solutions. Goal We want to bridge the gaps between technologists, the public sector, investors, and operators in dual-use and defense technology. This hackathon will demonstrate the talent and drive of the European ecosystem.

Time to Accelerate European Defense Innovation 🚀 Join us and 100+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on February 27-March 1, 2025, in Athens, Greece. Goal We want to bridge the gaps between technologists, the public sector, investors, and operators in dual-use and defense technology. This hackathon will demonstrate the talent and drive of the European ecosystem. Get inspired by the challenges we have prepared, or feel free to bring your own project. You'll get feedback from folks who have been on the frontline to ensure you're solving real problems.

Time to Accelerate European Defense Innovation Join us and 100+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on May 29-31, 2026, in Vilnius, Lithuania. Wanna come as a visitor? Join our EDTH Community here: https://community.eurodefense.tech/ Goal We want to bridge the gaps between technologists, the public sector, investors, and operators in dual-use and defense technology. This hackathon will demonstrate the talent and drive of the European ecosystem.

Time to Accelerate European Defense Innovation 🚀 Join us and 100+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on May 15-17 2026, in Prague, Czech Republic with special Demo Day on a Field. Wanna come as a visitor? Join our EDTH Community here: https://community.eurodefense.tech/ Goal We want to bridge the gaps between technologists, the public sector, investors, and operators in dual-use and defense technology. This hackathon will demonstrate the talent and drive of the European ecosystem.

Time to Accelerate European Defense Innovation 🚀 Join us and 100+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on April 10-12, 2026, in Netherlands. Goal We want to bridge the gaps between technologists, the public sector, investors, and operators in dual-use and defense technology. This hackathon will demonstrate the talent and drive of the European ecosystem. Get inspired by the challenges we have prepared, or feel free to bring your own project. You'll get feedback from folks who have been on the frontline to ensure you're solving real problems.

Time to Accelerate European Defense Innovation 🚀 Two years later, we're coming back to where everything began for EDTH—same weekend, same place, same energy! Join us and 200+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on June 26-28, 2026, in Munich, Germany. Wanna come as a visitor? Join our EDTH Community here: https://community.eurodefense.tech/ Goal

Time to Accelerate European Defense Innovation 🚀 Join us and 100+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on June 26-28, 2026, in London, UK. Connect with fellow defense innovators, meet potential co-founders, and build projects with real-world impact that could save lives. We’ll bring challenges rooted in pressing defense and security problems, and you’re welcome to bring your own ideas. Throughout the event, you’ll get hands-on guidance from seasoned mentors—and after the hackathon, we’ll help you take your project closer to real-world deployment 🚀

Time to Accelerate European Defense Innovation Join us and 100+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on February 20-22, 2026, in London, UK. Goal We want to bridge the gaps between technologists, the public sector, investors, and operators in dual-use and defense technology. This hackathon will demonstrate the talent and drive of the European ecosystem. Get inspired by the challenges we have prepared, or feel free to bring your own project. You'll get feedback from folks who have been on the frontline to ensure you're solving real problems.

Time to Accelerate European Defense Innovation 🚀 Join us and 100+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on March 13-15 2026, in Brussels, Belgium. Goal We want to bridge the gaps between technologists, the public sector, investors, and operators in dual-use and defense technology. This hackathon will demonstrate the talent and drive of the European ecosystem. Get inspired by the challenges we have prepared, or feel free to bring your own project. You'll get feedback from folks who have been on the frontline to ensure you're solving real problems.

Time to Accelerate European Defense Innovation 🚀 Join us and 100+ hackers from all across Europe and beyond for the European Defense Tech Hackathon on October 16-18 2026, in Bratislava, Slovakia - the first defence-focused hackathon of its kind in the country. Goal We want to bridge the gaps between technologists, the public sector, investors, and operators in dual-use and defense technology. This hackathon will demonstrate the talent and drive of the European ecosystem.

Time to Accelerate European Defense Innovation ​The mission continues: at the same time as the Munich Security Conference, we'll be organizing once again Europe's largest defense tech hackathon: ​​Join us and 200+ hackers from all across Europe and beyond for the third edition of the European Defense Tech Hackathon on February 13-16, 2025, in Munich.   Goal We want to bridge the gaps between technologists, the public sector, investors, and operators in dual-use and defense technology. This hackathon will demonstrate the talent and drive of the European ecosystem. ​​​Get inspired by the challenges we have prepared, or feel free to bring your own project. You'll get feedback from folks who have been on the frontline to ensure you're solving real problems. ​​Our goal with the hackathon is to put you in a position to continue towards deployment.

Build Europe's Tech Sovereignty Join 200 engineers, designers, and researchers in Gdańsk to prototype solutions that strengthen Europe's technological independence and critical infrastructure.

Time to Protect Europe’s Information Environment 🤖 Join us and 100+ hackers from all across Europe and beyond for the first European AI Intelligence Hackathon on June 5-7, 2026, in Belgrade, Serbia. Europe’s information environment is under constant pressure. Bringing this hackathon to Belgrade together with Reputeo means engaging closely with both the challenge and the capability: A city where information flows collide, yet with one of the strongest pools of technical talent in Europe—making it the right place to build systems that cut through noise and strengthen a more resilient, fact-based information space.

¡Únete al hackatón Ethereum Bolivia 2025! 🚀🌐 Desarrolladores, emprendedores y entusiastas del blockchain se reunirán para innovar y colaborar en proyectos revolucionarios. ¡No te pierdas esta oportunidad única de aprender y competir por grandes premios!

¡Únete al hackatón Ethereum Bolivia 2024! 🚀🌐 Desarrolladores, emprendedores y entusiastas del blockchain se reunirán para innovar y colaborar en proyectos revolucionarios. ¡No te pierdas esta oportunidad única de aprender y competir por grandes premios!

🕒 Challenge submission deadline is October 11th 🚀 Develop groundbreaking AI audio solutions using ElevenLabs technology. 💰 $6,666 prize pool for the winners. 📅 Finalists present at the ML in PL conference in Warsaw on November 7th 🎁 Get a promo code worth $15 of AI/ML API credits

👅 Generate realistic, captivating speech in a wide range of languages 🗓️ Join an exciting 3-day online hackathon from July 28 - 31 💡 Get full mentors support at lablab.ai platform 👥 Form Solo or Build Your Team 🐱‍💻 Registration ends on July 28th morning, so don't miss out! Sign up Now!

⌚ Take on a 48-hour challenge packed with creativity. 🚀 Build an app powered by Llama 3.2’s capabilities. 🎓 Get advice and support from industry experts along every step of the way. 🏆 Win an opportunity to participate in the Lablab NEXT acceleration program 💰 Stand a chance to win $5,000 in prizes. 🌟 Win the opportunity to be invited, with transport and accommodation covered, to our upcoming Giga Hackathons in Barcelona or Geneva in partnership with UNICEF. 🧑🏻‍💻 Sign up before the Kick-Off Stream to lock in your spot!

Join us for the next edition of ETHWarsaw - where builders meet to create the future of Ethereum.

Push the boundaries of privacy, security, and censorship resistance with cutting-edge technologies.

ETHSamba Hack, Rio de Janeiro, 22/03 - 24/03

The Hackathon for builders by builders. Rome, 17-19 October, Privacy, AI and DeFi tracks.

Munich’s Biggest Ethereum Hackathon Empowering innovation, collaboration, and blockchain solutions at the forefront of technical excellence EVM and EVM-compatible apps. https://ethmunich.de/

Welcome to our 3rd Edition of ETHDam! 48h IRL hackathon, dedicated to Privacy, Security & AI 😎

Welcome to our 2nd Edition of ETHDam, strap in for a 3 day IRL hackathon, dedicated to Privacy and Security, hosted in Amsterdam, the Netherlands.

ETHAccra is an in person 3-day hackathon happening in Accra. “Come for the Hack - Stay for the Vibes”

ETH Latam Hackathon Brasil, Sao Paulo, 06-07/November