to be clear, this one is my own project.
I work by myself most days, from a small music studio in Seoul. Didn't need meetings, just wanted people around... so I made a small room in the browser called nojo.club.
You leave it open while working. Free, no install, you can come in as a guest, and it works on phones. The chat translates, so people write in their own language.
People come every day now. Some hours are quiet. If I'm in there, I'll play you some piano.

(I'm Korean, used a translator for this.)