Often when I am discussing a topic, the conversation reaches a branch point, where there are two or more options that should be considered.

Is there any chat program/website that supports this?

Ideally, I am looking for a program that can show a diagram of the discussion, with optional titles on the boxes, and optional text on the connectors.

In case it is not clear, the users would have to categorize the sections and the connections.

Is there a program like this?


Web based or runs on Windows/Linux. Also acceptable if I have to run the server myself (if its an open source project or the like I can also compile it if need be). Also, it should be a free program.

  • The XMPP client OneTeam has a thread feature (see slide 3), however, it seems that development stagnated.
    – unor
    May 6, 2014 at 15:42
  • Sounds like maillist.
    – Sherry869
    Apr 26, 2021 at 13:08

1 Answer 1


I use Co-meeting everyday for structured business discussion.

  • You can reply to anything, even inside a message.
  • Webapp
  • Runs fine in all browsers we tried, Windows/Mac/Linux
  • Free for 20 chatrooms (you can reuse chatrooms)
  • It does not have titles and connectors, though.

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