Real-Time Chat

Internet Relay Chat (IRC)[97] was invented in 1988 by Jarkko Oikarinen, and real-time online chat has been a cornerstone of free and open source software communities ever since. While IRC was probably the first chat system used by FOSS communities—and is still very popular—it’s far from the only option available. Mattermost, Matrix, Rocketchat, gitter, Zulip, and Riot.im are a few of the many chat options used by free and open source projects.

Real-time chat enables…well, it enables chatting with people in real time (no big surprise there). Despite that, chat is actually both synchronous and asynchronous in nature. While you can use chat to have very involved real-time conversations with someone on the other side of the world, ...

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