Your Phone Should Be Private
Everyone needs a phone. Not everyone wants to be spied on.
Reclaim your privacy with CalyxOS.
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.
Own Your Conversations
💬 Call, text, or video chat privately with Signal.
🔐 Encrypted communication is prioritized and encouraged in the OS.
Access the World's Information
🌎 Browse the internet without censorship using Tor Browser.
We recently conducted a diary study and a set of user interviews and synthesized a baseline understanding of who our users are. Download the research report!Download PDF
The September Security update is here. It’s basically the last update (2.8.2/.3) with the September 2021 security patches applied on top.
CalyxOS 2.8.3 is now available for the Pixel 5a - codename barbet.
Become a Member
CalyxOS is brought to you by Calyx Institute, a 501(c)(3) non-profit dedicated to making privacy and security available for all.
By becoming a member of Calyx Institute, you will support the development of CalyxOS and receive a phone with CalyxOS already installed!Join Now