Based on our record, Zulip seems to be more popular. It has been mentiond 54 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.
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 / 16 days 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 / 16 days ago
Zulip (https://zulip.com/) seems to be a great self-hosted python-based alternative to Slack/Teams. - Source: Hacker News / 16 days ago
I recently tried Zulip [1] again after a few years and the UX is much improved on web and mobile, worth a look (it is OSS and you can self host). [1] https://zulip.com/. - Source: Hacker News / 16 days ago
Zulip — Real-time chat with a unique email-like threading model. The free plan includes 10,000 messages of search history and File storage up to 5 GB. also, it provides a self-hostable open-source version. - Source: dev.to / 4 months ago
Slack - A messaging app for teams who see through the Earth!
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Mailbird - Mailbird is the best email client for Windows 7, 8 and 10
Mattermost - Mattermost is an open source alternative to Slack.
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.