Based on our record, Zulip seems to be a lot more popular than Wickr. While we know about 54 links to Zulip, we've tracked only 5 mentions of Wickr. 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 / 18 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 / 18 days ago
Zulip (https://zulip.com/) seems to be a great self-hosted python-based alternative to Slack/Teams. - Source: Hacker News / 18 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 / 18 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
For security and privacy reasons please contact me at Wickr: candyminer. Source: almost 2 years ago
I'll just note that I've also been using https://wickr.com/ for exchanging photos as well. It isn't good for albums, but it's nice in a Slack-like way for sharing ... If you can get anybody to use wickr/wickrpro. (Good luck with that!). Source: about 2 years ago
A notice posted to Wickr’s website confirmed the acquisition: “From our founding ten years ago, we have grown to serve organizations across a wide range of industries, all over the world. Together with AWS, we look forward to taking our solutions to the next level for our customers and partners.”. Source: almost 3 years ago
Wickr has a lot of the features you are looking for, I have used it for years on my phone and find it to be the most secure besides Teleguard . Source: about 3 years ago
Telegram and Wickr are two of the best. I still don;t trust wjatsapp because facebook, LOL. Source: about 3 years ago
Slack - A messaging app for teams who see through the Earth!
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Mattermost - Mattermost is an open source alternative to Slack.
Threema - A secure, end-to-end encrypted Swiss instant messenger with a focus on privacy.
Element.io - Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.