Mattermost is an open source alternative to Slack btw. And Discourse is pretty g... | Hacker News

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		patrickg_zill on April 11, 2017 \| parent \| context \| favorite \| on: Why Slack is inappropriate for open source communi... Mattermost is an open source alternative to Slack btw. And Discourse is pretty great, though much more like a forum.

simopaa on April 11, 2017 [–]

We have been using http://rocket.chat at work and it works beautifully. Slack was never an option for it was not self-hostable

patrickg_zill on April 11, 2017 | [–]

Also a good choice.

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