*[#lisp](http://log.irc.tymoon.eu/freenode/lisp) on Freenode - main Common Lisp IRC channel.
*[#commonlisp](https://libera.chat/) on Libera Chat - main Common Lisp IRC channel. (Formerly #lisp was used for the purpose, but at present #lisp is for general discussion of Lisps of all varieties.)
*[chat.lisp.cl](https://chat.lisp.cl/) - a Mattermost chat server, with bridges to IRC and Discord.
*[Planet Lisp](http://planet.lisp.org/) - A meta blog that collects the contents of various Lisp-related blogs.
*[Common Lisp chat](https://chat.hexstreamsoft.com/) - Keybase team with well-defined rules and retention policies.