Open Source Hackathons in Europe

This page lists 113 upcoming Open Source hackathons, challenges and innovation competitions across Europe. Hackathon Hub continuously tracks Open Source events and shows dates, locations, application deadlines and organizer information for each one. The listed events span 29 countries, with venues in London, Winterthur and Paris among others. 111 events run on site or hybrid, while 2 can be joined fully online. 2 events are explicitly beginner-friendly. 6 hackathons offer prize money. The next event to start is "Talent Excursion & Hackathon Experience" on 12 November 2026. New entries appear as soon as they have been reviewed by the editorial team.

Currently on Hackathon Hub

  • Upcoming hackathons: 113
  • Countries: 29
  • Cities: 101
  • Next event: Talent Excursion & Hackathon Experience · 12 November 2026
  • Last updated: 11 November 2026

Data as of 2026-11-11 · figures on this page come from the listed events.

Upcoming events

Some information is collected automatically and is provided without warranty. Dates, deadlines and conditions may change · please verify on the organizer's official page before using this data. Details · Report an error

Frequently asked questions

Where can I find upcoming Open Source hackathons in Europe?

Right on this page: Hackathon Hub lists 113 upcoming Open Source hackathons with dates, locations, deadlines and a link to register.

Which cities host Open Source hackathons?

Currently mostly London, Winterthur, Paris and Nicosia. In total the events are spread across 101 cities in 29 countries.

Are there beginner-friendly Open Source hackathons?

Yes. 2 of the currently listed Open Source events are marked beginner-friendly by their organizers, often with mentoring and on-site team matching.

Can I join Open Source hackathons online?

Yes, 2 of the listed Open Source events run fully remote, so you can take part from anywhere.

How often is this list updated?

Hackathon Hub reviews and extends the events continuously. The most recent entry on this page was updated on 11 November 2026.

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