Hackathon startup ecosystem
We track 8 organisations in this sector across 5+ countries.
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Codaro Coding Challenge 2026
Coding challenge and networking event at Google for Startups Campus in Warsaw, designed for developers and technical founders. Useful for recruiting, team formation, and early-stage product validation in software and AI-focused projects.
Garage48 Foundation
Garage48 is an Estonian non-profit foundation that has run hackathons and startup-acceleration events across Europe and Africa since 2010, helping launch ventures such as Single.Earth and Lingvist. Its weekend hackathons gather developers, designers and founders to build working prototypes in 48 hours, including themed editions like Future of Wood focused on sustainable timber technologies.
Garage48 Future of Wood 2026 (October 2026)
Garage48 Future of Wood is a three-day hackathon where multidisciplinary teams build working prototypes — software, physical or architectural — that advance sustainable uses of wood and timber construction. Held at EWERS Tehnomaja in Väimela in southern Estonia's wood-processing competence hub, past editions have launched startups such as Single.Earth.
Hack4Vilnius 2026
The 9th edition of Vilnius's flagship city hackathon at VILNIUS TECH's LinkMenų fabrikas, a three-day build sprint creating solutions for urban and business challenges. Organised by Sunrise Valley Science & Technology Park with Vilnius universities and Cognizant.
HackYeah 2026
Europe's largest stationary hackathon, returning for its 12th edition at Tauron Arena Kraków on 3-4 October 2026 — a 24-hour build sprint organised by PROIDEA. Teams of 1-6 tackle open challenge categories (Defence, Sport & Healthcare, Smart City, and AI) plus a justCTF capture-the-flag track, with corporate and government challenge partners. A high-signal place to prototype, recruit co-founders, and get in front of challenge-sponsoring organisations.
Junction 2026
Europe's largest hackathon, held in Helsinki with 1,500+ developers, designers, and entrepreneurs building products in 48 hours around challenges set by corporate partners. Winners receive cash prizes and fast-track access to accelerators. Free admission (application-based).
Portathon 2026 (September 2026)
Portathon is an international port-technology hackathon, in its 8th edition in 2026, held in Klaipėda and gathering 100+ participants into multidisciplinary teams to build prototypes solving real maritime and port-sector challenges. Themes span IT and digitalization for the maritime industry, cybersecurity, AI integration and sustainability, with the event acting as a launchpad for ventures such as PortMI.
SwissHacks 2026
A 48-hour fintech hackathon, backed by the Swiss State Secretariat for International Finance and powered by Tenity, where students and professionals team with industry partners on real financial-sector challenges; in 2026 it anchors the inaugural Swiss FinTech Week. A fast route for developers and early founders to industry mentors, APIs, and pilot opportunities.
