The incredible Darius Kazemi runs: https://runyourown.social/ And this network seems exactly what you are looking for: https://joinmastodon.org/ Take care On 2020-11-24, 16:47, "Air-L on behalf of air-l-request@listserv.aoir.org" <air-l-bounces@listserv.aoir.org on behalf of air-l-request@listserv.aoir.org> wrote: alternatives to closed, secret Facebook groups?