Qubes OS is a security-focused desktop operating system that aims to provide security through isolation. Developed by Qubes OS
License: Open Source
TrueOS is a desktop-oriented operating system based on FreeBSD, focusing on usability and performance, while Qubes OS offers a security-first architecture that isolates applications in separate virtual machines. TrueOS is more suitable for everyday desktop use, whereas Qubes OS is designed for users who prioritize security and privacy.