Best Operating Systems 2026

Light Ubuntu distribution with the LXQt desktop and default tools such as Firefox, LibreOffice and VLC.

MX Linux suits people seeking a free desktop operating system for a desktop or laptop, including users who want Xfce, KDE or Fluxbox.

Community Unix-like system based on illumos and OpenSolaris, with MATE desktop, shell access and ZFS.

Fedora Linux suits people choosing a free system for personal computers, servers, cloud deployments, or container workloads.

Lightweight, configurable Ubuntu-based desktop system designed for daily use on a range of machines.

Minimal, automatically updating operating system for running containerized workloads securely at scale.

Customizable Linux system that builds packages from source or uses binaries, with configurable USE flags.

Portable Unix-like OS available for servers, desktops, handheld systems and embedded hardware.

Security-focused OS that separates websites and services into isolated qubes with the Xen hypervisor.

Open-source operating system with Mobile, TV, Wearable and IVI profiles plus native and web app support.

CentOS Stream may suit people who want a Linux environment for production, development, or previewing RHEL changes.

Mobile platform for connected phones with keypads, non-touch screens and limited hardware.

Enterprise OS for application compatibility, system administration, security and compliance.

It suits teams building embedded products that need real-time behavior, fault recovery, POSIX portability, and defined processor support.