Decidim is multiple things:

  • A command-line utility, which can create an application

  • A set of libraries, that the application can use

Most of the time, you should work with the generated application. That application (development_app on this docs) should be named as your project, for instance for Barcelona City Council is DecidimBarcelona, so for creating it should be:

decidim DecidimBarcelona

Inside of your application you can customize it in different ways: