I made this. Screen names, dial-up sound, no account. We fill the Lobby every Saturday 2pm US Central. Bring your worst 1997 screen name.

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No account, no app. Just rooms, a list of who's in them, and strangers mid-conversation about their tape deck.
It's the same chat that runs inside the two old desktops at https://56k.rip/ and https://dialup.rip/, so someone on the Win95 machine and someone on the Mac end up in the same room.