We have a forum at https://community.libre.space https://community.libre.space most threads are about SatNOGS (our global satellite ground-station network) but

We have a forum at https://community.libre.space https://community.libre.space most threads are about SatNOGS (our global satellite ground-station network) but there are several people from Cubesat teams that are hanging around there from time to time I also follow AMSAT-BB here to keep track of radio amateur activity in space https://www.amsat.org/mailman/listinfo/amsat-bb https://www.amsat.org/mailman/listinfo/amsat-bb