Your Phone Should Be Private

Everyone needs a phone. Not everyone wants governments and corporations tracking their every move and spying on their communications.

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CalyxOS is an Android mobile operating system that puts privacy and security into the hands of everyday users. Plus, proactive security recommendations and automatic updates take the guesswork out of keeping your personal data personal.

CalyxOS Features

Goodbye, Google

Run your favorite Android apps without Google tracking your activity.

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Safe Communication

We include the best secure communications apps.

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Private Browsing

Use Tor Browser, CalyxVPN, and DuckDuckGo to keep yourself private online.

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Regular Updates

Our team keeps CalyxOS up-to-date so you're always protected.

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Download CalyxOS

Install CalyxOS on your device.

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About CalyxOS

Why did we create CalyxOS?

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Become a Member

CalyxOS is a collaborative open source applied research project sponsored by the Calyx Institute, a 501(c) non-profit dedicated to making privacy and security available for all.

Join Calyx