What’s your favourite gratis self hosted FOSS forum software, as a user?

Question

Not the &lsquo;community&rsquo; you enjoy the most but the free, as in beer, self hosted, free and open-source forum software used to run it, which could be an awful community with a fantastic software.

XCSme · Accepted Answer

Not sure it's my favorite, bur definitely the most used: https://www.discourse.org/A more recent alternative is https://flarum.org/

What’s your favourite gratis self hosted FOSS forum software, as a user?

Not the ‘community’ you enjoy the most but the free, as in beer, self hosted, free and open-source forum software used to run it, which could be an awful community with a fantastic software.

Not sure it's my favorite, bur definitely the most used: https://www.discourse.org/
A more recent alternative is https://flarum.org/