OverviewΒΆ
PureOS is a fully free- and open-source GNU/Linux operating system (OS) based on Debian. It is endorsed as a fully-free OS by the Free Software Foundation.
See also
What does GNU mean?
PureOS is not vastly different than other GNU/Linux distributions, except in the following ways:
PureOS does NOT include any non-free proprietary software or firmware (aka binary blobs).
PureOS is pre-configured with privacy and security in mind. PureOS along with additional technologies like PureBoot implement security-in-depth which aims to provide multiple layers of secure computing to protect both data at rest and data in transit.