Babble is an simple, lightweight chat plugin for Discourse. It re-skins the existing topic view into a sidebar, allowing for quick conversations in your forum.
Pavilion is maintaing the Babble plugin on behalf of James Kiesel.
For more information, please see Babble - A Chat Plugin - plugin - Discourse Meta
To install, use the standard method for installing plugins. Once installed, you may visit
https://<your-instance>/admin/chats to add chat channels (NB that a chat will not appear on your site until you’ve created a chat in this interface)