Jovan StosicPureOS is a Linux distribution focusing on privacy and security, using the GNOME desktop environment. It is maintained by Purism for use in the company’s Librem laptop computers as well as the Librem 5 smartphone.
PureOS is designed to include only free/libre and open-source software (FOSS/FLOSS), and is included in the list of Free GNU/Linux distributions published by the Free Software Foundation.
PureOS is a Debian-based GNU/Linux distribution, merging open-source software packages from the Debian “testing” main archive using a rolling release model. The default web browser in PureOS is called PureBrowser, a variant of Firefox focusing on privacy. The default search engine in PureBrowser is DuckDuckGo.
The PureOS version released in September 2019 is called PureOS 9.0 Hephaestus.