There is also Mattermost | Hacker News

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		gentleman11 on July 21, 2021 \| parent \| context \| favorite \| on: Salesforce completes acquisition of Slack There is also Mattermost

ColinHayhurst on July 22, 2021 [–]

Good shout. Zulip happended to fit best at the time the decision was made. It would be Mattermost or Zulip, for us, if starting from scratch.

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