Free open source forum software very widely used by many different websites. Maintained since 2014.
Fediverse address:
@Discourse@mastodon.social
Tagged: Forums & Message Boards
DOS Game Club
Podcast and forum about old MS-DOS computer games from the 1980s and 1990s.
Fediverse address:
@dosgameclub@dosgame.club
The hosts also post lots of retro computing stuff:
Fediverse address (Rnlf):
@rnlf@dosgame.club
Fediverse address (Tijn):
@Tijn@dosgame.club
NodeBB
Free open source forum software compatible with the Fediverse, founded in 2014. Can be self-hosted or used through a hosting service.
Fediverse address:
@nodebb@fosstodon.org
Jugando En Linux
Spanish-language news site and forum about Linux gaming.
Fediverse address (in Spanish):
@jugandoenlinux@mastodon.social
Blog Oklahoma
Provides local news and community for Oklahoma, USA through a blog, podcast, newsletter and online forums/chat rooms.
Fediverse address:
@blogoklahoma@social.tulsa.ok.us
Discourse
Creators of the free open source forum software which is compatible with the Fediverse.
Fediverse address:
@Discourse@mastodon.social