A user friendly, secure and freedom respecting OS for your daily usage.

With PureOS, you are the only one in control of your digital life.

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Prometheus 8.0 Beta 1 | 1.4 GB

Privacy, security, and freedom by design

PureOS comes with the best free/libre privacy and security software and apps for privacy “out of the box” — including the Duck Duck Go search engine and HTTPS: Everywhere bundled into our official web browser, PureBrowser. PureOS helps you surf the web safely, without being tracked by advertisers or marketers.

PureOS allows you to easily encrypt your whole operating system and data, with your own encryption keys, whether you download and install it yourself or receive it preloaded.

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Fully auditable operating system

Whether you are a technology enthusiast, someone looking to protect the digital life of your family, or an enterprise IT/security department, you can use PureOS freely for any purpose, study and share its source code, and adapt it to your needs.

PureOS is a fully auditable operating system: you don’t have to trust our word that it respects and protects you—it is independently verifiable by security experts and software developers around the world.

Modern, full-featured and user friendly

With so many completely free software applications available, we know there is something for everyone, including popular software applications from categories like education, games, graphics, internet, office, programming, science, sound, and video.

Furthermore, PureOS builds on top of decades of technological advancements, providing cutting-edge technology to let you enjoy fluid high-framerate videos, frame-perfect animations and better power management for your computer and mobile devices.