There are several chatrooms in use by sudoroom people, and some of them are "bridged" together.
here's a link to the Matrix chatroom: https://matrix.to/#/#sudoroom-general:matrix.org
we are also in IRC (Internet Relay Chat) on the https://libera.chat server in channel #sudoroom
you can reach IRC through a web portal here, but please understand that IRC chat happens over hours or days, so you need to stay "in the room" until someone replies. For that reason, the best way to connect to IRC is with a method that allows you to stay there even when your computer or phone is not connected.