First steps with Decidim
Decidim is a digital platform
for citizen participation
Installing Decidim
You can install it yourself or find someone to help you with tech support.
The right tool for you
For big or small organisations, discover how Decidim can cater to your needs.
Decidim in your city
If your city is thinking of deploying participatory policies, find out how you can convince them to do it.
Is Decidim the right tool for you?
Decidim’s flexible features are designed to serve both small and large collectives, public and private organisations, with hundreds or thousands of potential users.
Explore all featuresBacked by technology, democracy and experience

Ajuntament d’Helsinki
We evaluated seven different kinds of participatory budgeting options to find the right platform to support...
Read the case study
Code for Japan
Decidim provides customize-friendly architecture so that we can adapt it to our domestic situation.
Read the case studyRead more case studies on our blog
Who’s behind the platform?
Metadecidim is the community that collaborates in the design of the platform and the development of the project. Together we design and create new features and report bugs for continuous improvement of the platform.
The Decidim Free Software Association is a democratic association for the governance of the Decidim community.
Part of what makes Decidim so powerful is that it adds a level of abstraction to the work separating out the steps of a process and the activities associated with the process. That’s part of the information architecture, so that not only you are saying what is happening at each step but different parts of Decidim behave differently depending on when you are doing or depending on what step in the process you are in. The fact that that’s customizable really allows Decidim to be moulded to how we are doing our work and not our work to be moulded.

Els principis democràtics com la rendició de comptes, la igualtat i la transparència estan en el centre del disseny. Decidim és està construït tenint al cap la democràcia, és el seu gran focus.

Pràcticament cada procés participatiu que ens ha arribat, l'hem pogut resoldre utilitzant les regles de negoci de Decidim. És una eina molt potent. No obstant això, la part que ens sembla més forta i important és la seva comunitat, tant de desenvolupadores com d'aquelles persones que la utilitzen per a processos participatius. Conviure amb aquesta comunitat ens ha fet dimensionar els desafiaments que comporta implementar la democràcia participativa en el món real.

FAQs
What is the Decidim Association?
The "Asociacion de Software Libre Decidim" (The Decidim Free Software Association) is a democratic association for the governance of the Decidim community. It was founded on February 16, 2019 in an extraordinary assembly of the community, with the approval of the organization statutes.
What are the differences with Consul Project / Decide Madrid?
There are many differences: features, flexibility, architecture, modularity, etc. We have published a post to try to answer this question.
Can I join the Metadecidim community even if I don't live in Barcelona?
Of course you can. People do so through participatory processes, debates, translations, etc. that you might find in Metadecidim. Decidim was born in Barcelona and that is why there is a strong territorial bond with this city, but above all, it's a project for the commons.
What is the Social Contract?
That's how we call our Code of Democratic Guarantees and Democratic Collaboration. All members of the community must endorse the Social Contract.