TrueOS (PC-BSD or PCBSD), is a Unix-like, desktop-oriented operating system built upon the most recent releases of FreeBSD-CURRENT. Developed by iXsystems
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.