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Matrix, Mattermost, Rocket.Chat, and that's just off the top of my head. All three are free (as in speech) and aren't terribly hard to set up on-premise or spin
by kemonocode 8y ago
Matrix, Mattermost, Rocket.Chat, and that's just off the top of my head. All three are free (as in speech) and aren't terribly hard to set up on-premise or spin up a container for somewhere else.
- ensignavenger 8y agoZulip is a great choice, too.