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.

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Backed by technology, democracy and experience

Code for Japan
Code for Japan

Decidim provides customize-friendly architecture so that we can adapt it to our domestic situation.

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.

Usein kysytyt kysymykset
Who is currently using Decidim?

It is currently used by cities and organizations worldwide. In fact, any group of people can use it, whether it is an NGO, university, trade union, cooperative, neighbourhood association, etc. Check the complete list of currently active instances.

I want to fund the project. How can I proceed?

Yes you can! Decidim is a non profit project and for the moment it depends completely on funding. Please find all details to fund the project at OpenCollective

Is there any tutorial to start setting it up?

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

What is Decidim?

Decidim is a Free Open-Source participatory democracy platform for cities and organizations. But Decidim is more than a digital platform: it’s a common's free and open project and infrastructure involving code, documentation, design, training courses, a legal framework, collaborative interfaces, user and facilitation communities, and a common vision.

Try Online — Kokeile ja tutki Decidim-alustaa vapaasti verkkopohjaisen demon avulla. Verkkopohjainen demo