Darwin is the open-source operating system from Apple that forms the basis for macOS.
Scientific Linux (SL) is a free open-source operating system based on Red Hat Enterprise Linux.
SunOS is a Unix-branded operating system developed by Sun Microsystems for their workstation and server computer systems.
AlmaLinux is an open-source, community-driven Linux operating system that fills the gap left by the discontinuation of the CentOS Linux stable release.
Windows CE is an operating system designed for small footprint devices or embedded systems.
Windows Server is a brand name for a group of server operating systems.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.
UniFi OS is the operating system for UniFi products, which provides a user interface.
CentOS is a Linux distribution that provides a free, community-supported computing platform functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL).
YunoHost is a server operating system that is free and open-source, allowing users to host their own web applications, email services, and other online tools. It is based on Debian GNU/Linux.