Ubuntu Core is described as ', a minimalist rendition of Ubuntu , is a lightweight, transactionally updated operating system designed for deployments on embedded and IoT devices, cloud and more' and is a Operating System in the OS & Utilities category. There are more than 100 alternatives to Ubuntu Core for a variety of platforms, including Linux, Self-Hosted solutions, BSD, Windows and Mac. The best alternative is Debian, which is both free and Open Source. Other great apps like Ubuntu Core are Linux Mint (Free, Open Source), Manjaro Linux (Free, Open Source), Fedora (Free, Open Source) and Windows 10 (Paid).
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).
Pop!_OS is an operating system for STEM and creative professionals who use their computer as a tool to discover and create. Unleash your potential on secure, reliable open source software. Based on your exceptional curiosity, we sense you have a lot of it.
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.
Zorin OS is a multi-functional operating system designed specifically for Windows users who want to have easy and smooth access to Linux. It is based on Ubuntu which is the most popular Linux operating system in the world.