Snowlinux is described as 'set of Linux distributions based on Debian 's latest stable release and featuring four different desktop environments - GNOME, ' and is an app in the OS & Utilities category. There are more than 50 alternatives to Snowlinux for a variety of platforms, including Linux, Self-Hosted solutions, Windows, BSD and Mac. The best alternative is Ubuntu, which is both free and Open Source. Other great apps like Snowlinux are Debian (Free, Open Source), Linux Mint (Free, Open Source), Manjaro Linux (Free, Open Source) and Arch Linux (Free, Open Source).
ReactOS™ is an Open Source effort to develop a quality operating system that is compatible with applications and drivers written for the Microsoft® Windows™ NT family of operating systems (NT4, 2000, XP, 2003, Vista, Seven).
FreeBSD is an advanced operating system for x86 compatible (including Pentium® and Athlon™), amd64 compatible (including Opteron™, Athlon™64, and EM64T), ARM, IA-64, PowerPC, PC-98 and UltraSPARC® architectures.
Ubuntu Mate is a stable, easy-to-use operating system with a configurable desktop environment. Ideal for those who want the most out of their desktops, laptops and netbooks and prefer a traditional desktop metaphor.