New Help Forum Suggestions

Hello loyal friends and Internet users with opinions, we're looking into alternatives for our current Helprace forum (the one you're on now).

Does anyone use a forum online that they like? Ones where the structure is intuitive and it is easy to sign in, create a topic, get notified about responses, is hosted, and generally looks cool (and is free)?

We were looking into https://freeflarum.com/ 

Seems to be comparable to what we're doing now.

A couple examples:
https://support.freeflarum.com/t/issue 
https://pianoclack.com/forum/ 

There is also https://www.proboards.com/

A little old-school perhaps, but it seems to have a decent set of bells and whistles:
 
Examples: 
 
 
If anybody has good (or bad) experiences working with online forums and help websites, please let us know!