@Arcana @nyoom @7666 @disarray @olmitch bridging chat platforms and/or rooms. i've used it to bridge irc/discord/xmpp/matrix and some other nicher situations
so you post on one platform it'll relay to the others as if you're on the same platform.
and matterbridge has a massive list of presupported protocols and an api iirc to make it easy to implement new ones or other shit (it's been used for in game chats for example)
and the configuration is dead simple