The world’s most productive team chat

Zulip combines the immediacy of real-time chat with an email threading model.
With Zulip, you can catch up on important conversations while ignoring irrelevant ones.

Apps for every platform

Zulip has modern apps for every major platform, powered by Electron and React Native.




Open Source

Zulip is 100% open source software, built by a vibrant community of hundreds of developers from all around the world. With 120,000 words of developer documentation, a high quality code base, and a welcoming community, it’s easy to extend or tweak Zulip.

Zulip has a significantly larger and more active development community than other modern open source group chat solutions like Mattermost, Rocket.Chat, and

Install Zulip 2.1.4 or read the Zulip 2.1 release announcement.

Trusted by thousands of teams

Experience Zulip today!

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Migrating from HipChat or Stride? Check out our Atlassian migration guide.