¿Hay forma de tener un foro gratuito?

[Moin]

El software es gratuito. No tienes que pagar por usar Discourse.
Pero si no tienes tu propio hardware, tienes que pagarle a alguien para usar el suyo.

Can I host a Discourse forum for free?

In short… Short answer: no. Less short answer: technically, yes, but you may face technical difficulties, and your server will probably have very low specs, resulting in a slow, sometimes hanging forum. It’s also likely you’ll need a credit card, even without fees. Basically, if you need a fully functional Discourse forum and a good user experience, you can’t have this for free. Why can’t I easily set up a Discourse forum for free? Discourse has some requirements. You need a Linux server …

También puedes instalar Discourse en tu propio hardware, por ejemplo: Discourse on a Raspberry Pi | Blog