What are some alternatives?
Arch Linux - You've reached the website for Arch Linux, a lightweight and flexible Linux® distribution that tries to Keep It Simple. Currently we have official packages optimized for the x86-64 architecture.
ClearOS - A very good alternative for Windows Server, for free
macOS - macOS High Sierra brings new forward-looking technologies and enhanced features to your Mac.
NethServer - NethServer is an operating system for Linux enthusiasts, designed for small offices and medium...
Fedora - Fedora gives 10,000+ course creators everything they need to build engaging and profitable online courses. Try us out, we're free to use!
Zentyal - Linux directory, domain, mail, gateway and infrastructure server for SMBs.