Jeena, about 3 years ago 2016-01-10 19:03:06 In reply to: https://www.christianheilmann.com/2016/01/10/dont-use-slack/ @codepo8 Have you tried Mattermost which is free (as in libre) and does basically the same as Slack but selfhosted? 3 Replies Christian Heilmann, about 3 years ago @jeena no, and I assume not many people have. We don't need open alternatives, we need successful open products. Jeena, about 3 years ago @codepo8 they only get successful if _we_ use them. I'm lobbying quite successfull for them at work. Jeena, about 3 years ago @codepo8 oh, and what does “open product” even mean? Have you written a response? Let me know the URL: Send There's also indie comments (webmentions) support.