Grand Solidarity Hackathon

📅 10 Nov 2026
🏟️ Agence des Transitions, Montpellier, Occitania, France
🔗 montpellier-events.com

The second edition of what is billed as France's largest multi-stakeholder solidarity hackathon takes place in Montpellier on 10 November. Participants spend one day tackling a public-interest challenge to provide lasting support to local associations working on environmental and social transitions.

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Grand Solidarity Hackathon

The Grand Solidarity Hackathon returns to Montpellier for its second edition on 10 November, starting at 08:30 at the Agence des Transitions.

It is described as the largest multi-stakeholder solidarity hackathon in France. Over a single day, participants work on a challenge of general interest.

The aim is to help local associations that work every day on the transitions, with support that continues over the long term.