Based on our record, Zulip seems to be more popular. It has been mentiond 56 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Https://zulip.com is one of the better alternatives with an option for self-hosting. - Source: Hacker News / 2 days ago
> A customer of mine would like a mix between a chat and a forum software Zulip is closer to that I think https://zulip.com/. - Source: Hacker News / 4 days ago
To all the people asking about self-hosted alternatives, I can recommend zulip[0], and this article[1] explaining why. [0] https://zulip.com/ [1] https://monadical.com/posts/how-to-make-remote-work-part-two-zulip.html#. - Source: Hacker News / about 1 month ago
Surprised you didn't mention zulip: https://zulip.com/ We use it and wouldn't trade it for any of the alternatives. - Source: Hacker News / about 1 month ago
Zulip (https://zulip.com/) seems to be a great self-hosted python-based alternative to Slack/Teams. - Source: Hacker News / about 1 month ago
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Slack - A messaging app for teams who see through the Earth!
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Mattermost - Mattermost is an open source alternative to Slack.