TrueOS
Operating system
TrueOS is a discontinued Unix-like, server-oriented operating system built upon the most recent releases of FreeBSD-CURRENT. Wikipedia
Developer: iXsystems
Initial release: 2006; 18 years ago
Latest release: Rolling release (UNSTABLE), based on FreeBSD-CURRENT;
OS family: Unix-like
Package manager: FreeBSD Ports/Packages (command line frontend).txz (package format)
Source model: Open source