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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
参加型プロセス
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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.

よくある質問
Do you have a Demo? I want to use Decidim now, without installing it, to see how it works.

Yes, we have an online demo.

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)

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 have many doubts, of all kinds...where can I ask them or solve them?

The best way to solve your doubts quickly is through the Metadecidim community. Enter now in the process Support Forum and see if your question exists or if it has been answered and otherwise enter to ask questions. If you can't resolve your problem in this space, maybe it's time to contact us through the contact form.

Try Online — オンラインデモを利用して、Decidimプラットフォームを自由に触れてみてください オンラインデモ