Tkchat was first created as a Tk interface to a Ralf's chat server which was used for the first version of the Tcl chatroom. The code was posted to the Tcl wiki by Bruce Hartweg and immediately suffered hacking by various members of the Tcl community from which it has never recovered.

Over time the chat has been moved from a web based chat to a Jabber Multi-User Chat and tkchat has dutifully followed with Pascal Scheffers doing the initial conversion. The chat can also be accessed from IRC and Slack via a bridge, but TkChat remains the native way to access the conversation.