Grand Solidarity Hackathon

📍 France
conference
📅 Tuesday, November 10, 2026 · 08:30

About

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.

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.

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