Decidim

First steps with Decidim

Decidim is a digital platform
for citizen participation

It’s a free/libre and open-source web-based software, maintained by an extense and active community. You can use Decidim in a public or private organisation, with hundreds or thousands of potential participants, such as a city council, an association, a university, an NGO, a trade union, a neighbourhood association or a cooperative...
For technologists
Installing Decidim

You can install it yourself or find someone to help you with tech support.

For organizations
The right tool for you

For big or small organisations, discover how Decidim can cater to your needs.

For governments
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 features
Participatory processes
Participatory texts
Conference
Surveys
Sortition
Comments
Participatory processes
Participatory texts
Conference
Surveys
Sortition
Comments
Participatory processes
Participatory texts
Conference
Surveys
Sortition
Comments
Participatory processes
Participatory texts
Conference
Surveys
Sortition
Comments
Participatory processes
Participatory texts
Pages and blogs
Notifications
Newsletter
Assemblies
Votings
Initiatives
Pages and blogs
Notifications
Newsletter
Assemblies
Votings
Initiatives
Pages and blogs
Notifications
Newsletter
Assemblies
Votings
Initiatives
Pages and blogs
Notifications
Newsletter
Assemblies
Votings
Initiatives
Pages and blogs
Notifications
Proposals
Voting
Results
Accountability
Meetings
Proposals
Voting
Results
Accountability
Meetings
Proposals
Voting
Results
Accountability
Meetings
Proposals
Voting
Results
Accountability
Meetings
Proposals
Voting

Backed by technology, democracy and experience

City of Helsinky
City of Helsinki

We evaluated seven different kinds of participatory budgeting options to find the right platform to support...

Read the case study
European Commission
European Commission

The digital platform was launched on 19 April 2021 and was open to contributions until 9 of May 2022. During this...

Read the case study

Read 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.

FAQs
What is Decidim's trademark policy?

Decidim and the Decidim logo are registered by the Association, they cannot be used as a commercial product nor cannot be sold. If used, the credit has to be referenced to the project. You can read more about this in our Trademark policy.

How can I get more information about the Decidim Association?

In the general assembly of the Decidim Association you can find more info abous us, follow the activity of the meetings and check relevant information (statutes, legal agreements, the internal regulations)

Is there any tutorial to start setting it up?

You can check the latest version of our admin manual in the Documentation section.

I have ideas for new improvement features. I want to have a better understanding of the project. What can I do?

You can collaborate in multiple ways. One of them is through the Metadecidim community. If you want to propose new features, go here. If you have detected errors and want to notify them, go to this process. If you want to actively participate in the Metadecidim community, you can attend Community Meetings. Register as a participant of the community and participate with us. If your thing is the code, come to Github. If you are a researcher, you might be interested in coming to the LAB Metadecidim Seminars.

Try Online — Play around and explore freely the Decidim platform with our online demo. Online demo