I use irc primarily, but use Discord for D&D. Voice chat, plus screen sharing. Our DM shares their screen with the map, we use voice to play, and text chat for

I use irc primarily, but use Discord for D&D. Voice chat, plus screen sharing. Our DM shares their screen with the map, we use voice to play, and text chat for sharing details about initiative etc. We could probably use mumble and sometime else. The screen sharing part could probably be jitsi. It's just been easier to get everybody playing our game on discord as they already have it.