Is there a free alternative to Flarum?

[Italiana]

Flarum is being too problematic for me. (Please don't ask me for explanations)

What is my best FREE alternative?

 

[Duane Silvester]

Best free alternative to Flarum: Discourse (open-source, powerful, but needs hosting setup).

 

[Italiana]

Best free alternative to Flarum: Discourse (open-source, powerful, but needs hosting setup).

I've got hosting.
I just don't want to pay for something and then 2 weeks later have to delete it because it sucks.