Listing Hackathons

ETH Cinco de Mayo Hackathon 2nd Edition

First ever Ethereum hackathon in Central Asia

The third edition of the ETH Belgrade hackathon takes place in Belgrade from June 3-5, 2025.

The second edition of the ETH Belgrade hackathon takes place in Belgrade from May 31st to June 2nd, 2024.

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 6-8, 2026, in Rzeszów, Poland. We’re excited to co-organize this hackathon with the Polish Development Fund (PFR) and Rzeszów City to support the creation of innovative technology in Poland, under the patronage of the Minister of National Defence of Poland. PFR offers instruments to support the development of enterprises, local government units, and private individuals, thereby investing in the country's sustainable social development and economic growth. One of PFR's projects is the IDA program, which supports innovative entities in developing dual-use technologies. Goal

$20

Defense Hack Day is an intense one-day event where builders, engineers, and problem-solvers take on real-world security and defense challenges—from counter-drone systems to demining technologies. Think of it as a mini-hackathon: a focused briefing in the morning, a full day of hacking, and a high-energy pitch competition to close it out.

🚀 Revolutionize Government Efficiency with xAI & Grok: Embrace the Future of Public Service. ⚡ Build intelligent tools to streamline government processes, cut costs, and drive impactful change. 🤖 Harness the power of Grok, xAI’s advanced AI model, to automate tasks and empower citizens. 🌐 Collaborate with innovative developers and create solutions that reshape public administration. 📅 Register now and be part of the movement for a leaner, smarter government!

Join the world’s first Custom GPTs Hackathon to create your own AI tools! Innovate with GPTs: Explore the possibilities of creating custom versions of ChatGPT for specific tasks or purposes. No Coding Required: Anyone can build their own GPT; coding skills are not necessary. Hands-on Experience: The primary benefit of this Hackathon is the opportunity to gain practical, hands-on experience with OpenAI's GPT technology. Educational Focus: Use this event as an educational journey to understand the capabilities and applications of GPTs.

A short hackathon and meetup for Cursor community in Germany. More info coming soon!

build cool sh*t with Cursor or any AI of your choice for 2 days (31st of January to 1st of February 2026). just bring your laptop and become part of the biggest AI hackathon in Germany's history (400+ participants). open for everyone. you don’t need to be technical to participate! just need to ship the thing. free. food, drinks, free credits to build and prizes are on us. just show up ready to build. why join win big prizes (cash & credits)

Build next-gen tech adopted by Network States that empower digitally-native communities to thrive

Europe’s critical infrastructure is increasingly exposed — from energy grids and transport hubs to data centers and communication networks. The threat landscape has changed: low-cost drones, hybrid cyberattacks, and denied-communication environments. From May 8-10, 2026, the first Critical Infrastructure Shield Hackathon in Switzerland brings together Europe’s top engineers, operators, founders, and industry leaders to build the systems that protect the backbone of modern society. Prototype real-world solutions designed to operate in contested environments — from counter-drone systems to resilient communications and autonomous defense. Visitors If you’re curious about the outcomes and what the teams have built, you can join the Demo Day on Sunday as an EDTH Community visitor by selecting a Community Visitor ticket.

Teams work together with multiple AI agents in shared workspaces to design, build, and launch complete AI products — from initial idea to market-ready app. 📅 February 23– March 1, 2026 ⏱️ 6 days to build and ship an end-to-end agentic AI product 🤝 Work together in shared AI workspaces where your team and AI agents collaborate in real time 🔧 Build with multiple AI agents that handle development, design, testing, and documentation together 🎯 Create everything in one place — from ideation to product to marketing materials, all by prompting and observing 🚀 Focus on real-world products that teams could actually ship and use 🏆 $3,500 in prizes + premium 3-month Complete.dev access for top teams 🧑‍💻 Join your team workspace and start building together

🗓️ Take part in this 7-day virtual hackathon from March 10 to March 17! 💻 Create AI applications utilizing Cohere's LLM-powered Multilingual Text Understanding model and Qdrant's vector search engine. ✔️ Are you new to AI or an experienced data scientist? Designer, or business developer? Regardless of your experience and background, we welcome you and value your domain expertise. 🐱‍💻 Join us for free and let's get started!

Come to the Cohere Thanksgiving Hackathon and let's build, create, and innovate together! This is a perfect opportunity to use your skills and creativity to support a cause or make a difference. You could build a business idea or a social cause project – it's up to you! 👉 There is not only incredible prizes up for grabs, this is also a perfect opportunity to get into the absolute 🔥🔥🔥 hottest 🔥🔥🔥 trend in technology. <b> <br/><br/>Sign up now and let's make a difference this <u>Thanksgiving!</u></b> Both seasoned AI / Tech pros as well as people with other domain knowledge are welcome, our team matchmaking system will make sure you find a team to work with, or create your own and invite your friends / colleagues.

🗓️ This 7-day virtual hackathon from January 27 to February 3 will be your time to shine! 💻 Construct AI apps with the latest LLM-powered technology from Cohere and try the newly released Multilingual Text Understanding model ✔️ There's no prerequisite level. Just starting out with AI? Or perhaps you're a veteran Data Scientist? A Designer? A Business Developer? We want you and your domain expertise! 🐱‍💻 Sign up now for free and let's get going!

🔐 Exclusive Access: Only 1,000 slots available for Coral model use. 💡 Spotlight Your Idea: Showcase in this limited-entry event. 💰 Win Big: Cash prizes and Cohere credits up for grabs. 🌐 Collaborate Globally: Team up with AI enthusiasts worldwide.

It is our pleasure to welcome you to the third Cohere AI Hackathon! Our collaboration with Cohere gives lablab.ai community members access to one of the most powerful artificial intelligence language models available. Let's build a better future together! Join us and innovate!

We are excited to welcome you to the second episode of the Cohere AI Hackathon! In partnership with Cohere, we are giving lablab.ai community access to one of the most powerful AI language models on the market. Join us and innovate to build a better future for everyone!

We welcome you to join us for episode one of Cohere Online Hackathon! We're partnering with Cohere to give the LabLab community the opportunity to build with one of the world's most powerful artificial intelligence language models.

Create promising apps of the future with support of CogX, the festival of ideas. 🕒 72 hours to complete the challenge 💡 Create revolutionary apps in health, finance, work, space & creative industries 🤝 Take part alone or form a team with other participants 🚀 The final project can be used for your portfolio, and the startup application to the Slingshot accelerator 🏆 Win cash prizes and discover breakthroughs in technology, AI, and innovation.

Create your product using Codestral, Mistral's first-ever open-weight generative AI model for code generation. 🕒 24 hours to complete the challenge. 💡 Implement any idea that uses Codestral at its core. 🤝 Take part alone or form a team with other participants. 🏆 Win an opportunity to participate in LabLab NEXT acceleration program

🕒 6 days to explore the full potential of GPT-5 💡 Build next-gen AI apps 🤝 Compete solo or form a dream team 🚀 Connect with global innovators 🧑🏻‍💻 Sign up before the Kick-Off Stream to secure your spot!

a MakerSpace membership and the corresponding machine course certification

🗓️ 48 hours of building (24-26th March) 💻 Create innovative new apps with OpenAI's latest ChatGPT and Whisper APIs 💡 Learn from top AI professionals ⚒️ Combine new GPT 3,5 Turbo and Whisper APIs to build your AI app 🐱‍💻 Now is the time to register and let's get started!

A challenge for Web3 pioneers in the quest for ultimate computational power and programmability.

Create innovative solutions for the defence and security sector using EU space technologies

ETH Guatemala se enorgullece de presentar el primer Buildathon de Ethereum en Centroamérica.

Buildathon orientado a la construcción de productos Web3