[RadiozRadioz]

Appears to be a fediverse social network like Mastodon, there's a demo on their homepage: https://bonfirenetworks.org/

[aloisdg]

but what kind? Microblogging, macroblogging, link aggregation, forum, imageboard etc.

[chobeat]

there are plugins for all of this stuff and more: there are kanban boards, stuff for openscience (I think peer-review and the likes), some collaboration features etc etc