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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
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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
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

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.

Häufig gestellte Fragen
What does it mean that Decidim is for free, "libre" and open source?

Decidim is a platform for citizen participation made by the people and for people. Its source code is open and can be inspected, modified, and enhanced by anyone. The Decidim software is covered by the AGPL license. That means that you can use it, modify it and redistribute derived versions of it as long as you respect the AGPL license.

What do I need to install Decidim?

Installing Decidim is easy but you need some knowledge and technical requirements. See the documentation for installing Decidim.

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.

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 — Spielen Sie mit unserer Online-Demo herum und erkunden Sie die Decidim Plattform. Online-Demo