Red Hat Enterprise Linux is described as 'Red Hat is the leader in development, deployment, and management of Linux and open source solutions for Internet infrastructure - ranging from embedded devices to secure Web servers. Red Hat was founded in 1994 by visionary entrepreneurs Bob Young and Marc Ewing' and is a very popular Linux Distro in the os & utilities category. There are more than 100 alternatives to Red Hat Enterprise Linux for a variety of platforms, including Linux, Self-Hosted, Windows, BSD and Mac apps. The best Red Hat Enterprise Linux alternative is Linux Mint, which is both free and Open Source. Other great apps like Red Hat Enterprise Linux are Ubuntu, Debian, Fedora and Arch Linux.
Xinuos OpenServer™ 10 is a 64-bit operating system based on the popular FreeBSD and designed to support business applications within an enterprise environment.
EuroLinux is an enterprise-class Linux distribution made and supported by the EuroLinux company, built directly from source code of Red Hat Enterprise Linux.
Built on pure RHEL code. Complete product at once with all modules (adds-on) that must be purchased separately for RHEL. Also a good update alternative for CentOS 8 and 7.
Netrunner is an Debian -based distribution with a focus on desktop computing. It boasts a carefully tuned KDE Plasma Plasma 5 desktop.
illumos is a free and open-source Unix operating system. It derives from OpenSolaris, which in turn derives from SVR4 UNIX and Berkeley Software Distribution (BSD). illumos comprises a kernel, device drivers, system libraries, and utility software for system administration.
Chromium OS is an open-source project, used primarily by developers, that aims to build an operating system that provides a fast, simple, and more secure computing experience for people who spend most of their time on the web.
KolibriOS is a tiny yet incredibly powerful and fast operating system. This power requires only a few megabyte disk space and 8MB of RAM to run. Kolibri features a rich set of applications that include word processor, image viewer, graphical editor, web browser and well over 30...
HP-UX is Hewlett Packard Enterprise's proprietary implementation of the Unix operating system, based on UNIX System V (initially System III) and first released in 1984. Recent versions support the HP 9000 series of computer systems, based on the PA-RISC instruction set...
A warm and cozy, open-source operating system compatible with existing apps, games and drivers. The main idea is to efficiently create a compatible environment for existing software and provide the best user experience on a personal computer.
BunsenLabs Linux is a distribution offering a light-weight and easily customizable Openbox desktop. The current release is Helium, built on top of Debian (stable). The project is a community continuation of CrunchBang Linux.
SnowflakeOS is a NixOS based Linux distribution focused on beginner friendliness and ease of use.
Redox is a Unix-like Operating System written in Rust, aiming to bring the innovations of Rust to a modern microkernel and full set of applications.
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Eurolinux has the same codebase as RHEL, so it's fully compatible. It's more economically viable and has a free version to use under open core license. I like it.