Struct.ws has chatrooms on both Matrix and IRC.
Matrix is a free, open, and modern protocol for real-time communication. Struct.ws's official Matrix room is #struct.ws:struct.ws, and it can be accessed via one of the following methods:
Internet Relay Chat (IRC) is the classic real-time chat protocol that's been in use since the late 80s. Struct.ws's official IRC channel is #k-pdt on irc.chatspike.net, and it can be accessed via one of the following methods: