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Decidim: Open-Source Democratic Participation Platform

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decidim.org·decidim.org/

Decidim is tangentially relevant to AI safety as a model for participatory governance infrastructure that could inform how AI policy decisions are made collectively; it illustrates technical approaches to large-scale democratic deliberation.

Metadata

Importance: 28/100tool pagetool

Summary

Decidim is a free, open-source digital infrastructure for participatory democracy, enabling organizations and governments to facilitate collective decision-making, citizen assemblies, and participatory budgeting. It provides tools for structured public deliberation, proposal development, and collaborative governance at scale. Originally developed for Barcelona's city government, it has been adopted by hundreds of organizations worldwide.

Key Points

  • Open-source platform supporting participatory budgeting, citizen assemblies, consultations, and collaborative policy drafting
  • Designed to enable scalable democratic deliberation and collective decision-making in governments and organizations
  • Originally built for Barcelona city government; now used by hundreds of institutions globally
  • Provides transparent, auditable participation processes with strong data sovereignty and ethical commitments
  • Relevant as infrastructure for AI governance participation and collective intelligence in policy processes

Cited by 1 page

PageTypeQuality
AI-Assisted DeliberationApproach63.0

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Decidim 
 
 
 
 
 
 

 

 
 
 
 
 
 Decidim is a digital platform for citizen participation

 Free/libre, open and safe technology.
With all democratic guarantees.
Reprogramming democracy is now possible with Decidim.

 
 Get started 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Strategic planning

 

 
 
 Participatory processes

 

 
 
 Assemblies

 

 
 
 Initiatives and citizen consultations

 

 
 
 Participatory budgeting

 

 
 
 Networked communication

 

 
 Explore all features 
 
 
 

 
 
 Decidim helps citizens, organizations and public institutions self-organize democratically at every scale.

 
 

 
 
 
 
 
 Implementing a flexible democratic system

 
 We can help configure a system of democratic governance in all kinds of organizations.

 
 Our features 
 
 

 
 
 
 
 We take democracy very seriously

 
 Decidim ensures transparency, traceability and integrity of information like never before. It provides security, privacy and confidentiality to all participants.

 
 Social contract 
 
 

 
 
 
 
 It's yours. Use it. Share it. Improve it.

 
 A platform designed entirely with free software, open and collaborative content thanks to the Metadecidim community.

 
 The community 
 
 

 
 
 

 
 
 
 
 With the implementation of Decidim in Som Energia we have generated a kinder space for participation. We released the tool in 2018, hosting the General Assembly of the Cooperative and months later we debated the Image Redesign and collaborative development of the School of Som Energia, among other participatory processes. In a few months, more than 3,500 participant people have registered, 5 participatory processes, 3 assemblies operating and more than 1,300 votes in the last General Assembly vote.
 
 
 
 
 
 Yaiza Blanch
 
 
 Som Energia
 
 
 
 
 
 
 The Decide Mérida digital platform was an opportunity that opened as never before the mechanisms of citizen participation for the elaboration of the Municipal Development Plan of Mérida 2018-2021. We had more than 3,000 citizen interactions including proposals, comments, suggestions and support that achieving the highest consensus possible about what is best for our city. Undoubtedly, the Decide Mérida platform will continue to be our ally in making Mérida an increasingly participative society.
 
 
 
 
 
 Renán A. Barrera Concha
 
 
 Municipal President of Mérida Yucatán, Mexico. City Council of Mérida Yucatán, Mexico
 
 
 
 
 
 
 Almost every participatory process that has come to our table, we have been able to solve it using Decidim's business rules. As a tool, it is a very strong one. However, the part that seems strongest and most important to us is its community, both developers and those who use it for participatory processes. Coexisting with them has made us appreciate the challenges involved in implementing participatory democracy in the real world.
 
 
 
 
 
 Alejandra González
 
 
 Open Government of Mexic

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