Zulip
Zulip is a free, open-source messaging app for Android and iOS. Open-source team chat that helps teams stay productive and focused. It has 478 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid, Google Play and the App Store.
- Official
- Android
- iOS
- Flutter
- Messaging & chat
- Actively maintained
About Zulip
Zulip ( helps teams of all sizes be more productive together, from a few friends hacking on a new idea, to globally distributed organizations with hundreds of people tackling the world's hardest problems. Unlike other chat apps, Zulip lets you read and respond to every message in context, no matter when it was sent. Maintain your focus and then catch up on your own time, reading the topics you care about, and skimming or skipping the rest. Like everything Zulip, this official Zulip mobile app is 100% open-source software: . Thank you to the hundreds of contributors who have made Zulip what it is! Zulip is available as a managed cloud service or a self-hosted solution.
Privacy and F-Droid
F-Droid builds Zulip from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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What is Zulip?
Zulip is a free, open-source messaging app for Android and iOS. Open-source team chat that helps teams stay productive and focused. It has 478 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid, Google Play and the App Store.
Is Zulip free and open source?
Yes. Zulip's source code is public on GitHub under the Apache-2.0 license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install Zulip?
You can install Zulip from F-Droid (package com.zulipmobile), from Google Play and from the App Store; the links are on this page. Its GitHub repository also publishes releases (latest: v30.0.274).
Is Zulip still maintained?
The repository's most recent commit was on Oct 8, 2026. Its F-Droid listing was last updated on Jun 26, 2026. appsgit only lists apps whose repository had a commit in the last six months.