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Best Operating Systems in 2026

Updated

In short: Ubuntu Server is ranked #1 of 42 as of 4 October 2026, ahead of Debian and AlmaLinux OS. The best-ranked option with a free plan is Debian. The lowest first paid tier on this page is Ubuntu Server at $2.08/mo.

Choosing an operating system for business operations means weighing the software and devices it needs to support against how you plan to deploy and manage it. Compared on app compatibility, built-in management, CPU architectures, deployment models, and device types, these options show different parts of that fit. Free-plan availability, paid-from pricing, and support lifecycle add cost and ongoing-maintenance considerations. Ubuntu Touch, Kali Linux, and OPNsense illustrate the range of names among the entries, alongside pfSense and Ubuntu Server. Check the listed architecture and device details against your environment, then consider whether the management capabilities, deployment choices, and support timelines suit the systems you need to run.

42 operating systems ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

42ranked
9free plans on this page
$2.08/molowest paid tier
4 Oct 2026last checked

Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score

  1. 1 Ubuntu Server No phone app RecognisedPhone appDocumentedFree plan 8.3$2.08/mo Device types: servers, virtual machines, cloud instances, IoT/edge devicesCPU architectures: amd64, arm64, armhf, ppc64el, riscv64, s390xSupport lifecycle: LTS: five years standard security maintenance; Ubuntu Pro extends coverage to 10 years, with Legacy add-on extending it to 15 years.
  2. 2 Debian No phone app RecognisedPhone appDocumentedFree plan 8.1Free Device types: Personal computers; cloud virtual machinesCPU architectures: amd64, arm64, armhf, ppc64el, riscv64, s390x; i386 supported as a co-architecture for 32-bit software on amd64; armel upgrades onlySupport lifecycle: Debian 13: five years, including three years of full Debian support through August 9, 2028 and LTS through June 30, 2030
  3. 3 AlmaLinux OS No phone app RecognisedPhone appDocumentedFree plan 8.1Free Device types: Servers, workstations, virtual machines, cloud instances, containers, Raspberry Pi devices, WSL environmentsCPU architectures: x86_64, aarch64, ppc64le, s390x; some releases also list x86_64_v2 and i686 userspaceSupport lifecycle: About 10 years per major version; minor versions reach end of life when the next minor version is released
  4. 4 Rocky Linux No phone app RecognisedPhone appDocumentedFree plan 8.0Free Device types: Servers, workstations/desktops, Raspberry Pi, virtual machines, cloud instances, containersCPU architectures: x86-64-v3, riscv64, aarch64, ppc64le, s390x (Rocky Linux 10); support varies by releaseSupport lifecycle: Major releases: 10 years total, with 5 years active support and 5 years security support; only the latest minor release is supported
  5. 5 CentOS Stream No phone app RecognisedPhone appDocumentedFree plan 7.8Free Device types: Servers, workstations, cloud instances, and containersCPU architectures: CentOS Stream 10: AMD/Intel 64-bit (x86_64_v3), ARM 64-bit (ARMv8.0-A), IBM Power (POWER9), IBM Z (z14)Support lifecycle: CentOS Stream 10 maintained until 2030; roughly five-year lifecycle. CentOS Stream 9 end-of-life: 2027-05-31.
  6. 6 Fedora Linux No phone app RecognisedPhone appDocumentedFree plan 7.8Free Device types: Desktop computers, laptops, servers, cloud virtual machines, IoT devicesCPU architectures: x86_64, aarch64; Fedora CoreOS also supports s390xSupport lifecycle: Fedora Workstation versions are updated for approximately 13 months; each release is maintained until one month after two subsequent releases.
  7. 7 Amazon Linux No phone app RecognisedPhone appDocumentedFree plan 7.0 Device types: EC2 instances; Docker container workloadsCPU architectures: x86-64 (x86-64v2); 64-bit ARM (aarch64, ARMv8.2+crypto; Graviton2 or later on EC2)Support lifecycle: AL2023 supported until June 30, 2029; standard support through June 30, 2027, then maintenance support. Individual LTS kernels are supported for four years.
  8. 8 Oracle Solaris No phone app RecognisedPhone appDocumentedFree plan 7.0 Device types: Servers and enterprise systemsCPU architectures: SPARC and x86Support lifecycle: Solaris 11.4 Premier Support through November 2031; Extended Support through November 2037; Sustaining Support indefinite
  9. 9 Ubuntu Touch Android only RecognisedPhone appDocumentedFree plan 7.0 Device types: Phones, tablets, desktop PCs, Raspberry Pi, PinebookSupport lifecycle: Regular OTA updates; no fixed support duration stated
  10. 10 Kubuntu No phone app RecognisedPhone appDocumentedFree plan 6.9Free Device types: Desktop PCs, laptopsCPU architectures: AMD64 (x86-64)Support lifecycle: Kubuntu 26.04 LTS receives security and maintenance updates through April 2029; LTS releases are published every two years.
  11. 11 ChromeOS No phone app RecognisedPhone appDocumentedFree plan 6.7 Device types: Chromebooks, Chromeboxes, Chromebases, Chromebits; ChromeOS Flex on certified PCs and MacsSupport lifecycle: ChromeOS devices receive 10 years of updates from platform release; specific device end dates vary.
  12. 12 Manjaro Linux No phone app RecognisedPhone appDocumentedFree plan 6.7Free Device types: Workstations, laptops, phones and selected embedded devicesCPU architectures: x86; ARMSupport lifecycle: No fixed OS lifecycle duration found; kernel support varies by kernel branch, and stable kernels reach end of life when the next mainline becomes stable, roughly every two months.
  13. 13 Alpine Linux No phone app RecognisedPhone appDocumentedFree plan 6.6 Device types: Physical computers, Raspberry Pi, routers, servers, virtual machines, cloud images, containers and chrootsCPU architectures: aarch64, armhf, armv7, loongarch64, ppc64le, riscv64, s390x, x86, x86_64Support lifecycle: Main repository typically supported for 2 years; community repository until the next stable release
  14. 14 Fedora CoreOS No phone app RecognisedPhone appDocumentedFree plan 6.6 Device types: servers; bare-metal systems; virtual machines; cloud instancesCPU architectures: x86_64; aarch64; s390x; ppc64le
  15. 15 Kali Linux Android only RecognisedPhone appDocumentedFree plan 6.6
  16. 16 VxWorks No phone app RecognisedPhone appDocumentedFree plan 6.5
  17. 17 Qubes OS No phone app RecognisedPhone appDocumentedFree plan 6.5 Device types: Computers with compatible 64-bit Intel or AMD CPUs and required virtualization featuresCPU architectures: x86_64 (64-bit Intel or AMD; Intel 64/AMD64)Support lifecycle: Qubes OS releases are supported for six months after each subsequent major or minor release
  18. 18 MX Linux No phone app RecognisedPhone appDocumentedFree plan 6.5Free Device types: Desktop and laptop computers; removable USB media for live operationCPU architectures: 64-bit only for MX-25 official releasesSupport lifecycle: Major versions follow Debian Stable releases; support duration varies by release (official chart linked in FAQ, but not verified here).
  19. 19 Apache NuttX No phone app RecognisedPhone appDocumentedFree plan 6.4 Device types: Development boards and embedded devices; simulator targets are also documentedCPU architectures: ARM, ARM64, AVR, AVR32, 8051, CEVA, ESP32 Xtensa, Intel x86/x86_64, MIPS, m68k, RISC-V, SPARC, SuperH, TriCore, Xtensa, Z80
  20. 20 NetBSD No phone app RecognisedPhone appDocumentedFree plan 6.4 Device types: Servers, desktop systems, embedded devices, handheld devices, legacy hardware, and emulatorsCPU architectures: amd64, arm, mips, powerpc, i386, sparc64, alpha, hppa, m68k, sh3, vax, and othersSupport lifecycle: Formal release branches receive bug fixes while listed as supported; formal releases are supported for several years. Older unsupported releases do not receive bug fixes, including security fixes.
  21. 21 QNX Neutrino RTOS No phone app RecognisedPhone appDocumentedFree plan 6.3 Device types: Embedded systems; supported applications include medical instruments, routers, telematics devices, process-control systems and air-traffic-control systemsCPU architectures: MIPS, PowerPC, SH-4, ARM, StrongARM, XScale, x86Support lifecycle: Foundational QNX products typically reach End of Sale and Standard Support 8 years after commercial release; product-specific lifecycle varies
  22. 22 Photon OS No phone app RecognisedPhone appDocumentedFree plan 6.3 Device types: Bare-metal systems, virtual machines, Raspberry Pi, cloud instancesCPU architectures: x86_64, ARM64/aarch64Support lifecycle: Security updates as needed; non-security package updates described in legacy FAQ as quarterly; no fixed duration verified
  23. 23 FreeRTOS No phone app RecognisedPhone appDocumentedFree plan 6.2 Device types: Microcontrollers and small microprocessorsCPU architectures: 40+ processor architectures, including RISC-V and ARMv8-MSupport lifecycle: LTS libraries receive security updates and critical bug fixes for two years
  24. 24 Gentoo Linux No phone app RecognisedPhone appDocumentedFree plan 6.2 Device types: desktop PCs, servers, embedded and small systems, single-board computersCPU architectures: Alpha, AMD64 (x86_64), ARM, ARM64, HPPA (PA-RISC), IA64, MIPS, PPC, PPC64, RISC-V 64-bit, SPARC64, x86 (i486/i686)
  25. 25 Pop!_OS No phone app RecognisedPhone appDocumentedFree plan 6.2 Device types: Computers, laptops, desktops, workstations; ARM computersCPU architectures: 64-bit x86; ARM64Support lifecycle: LTS release; the vendor describes Pop!_OS updates as continuous but does not state a specific support duration on the cited product pages.

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Questions about this list

Which operating system is ranked first on Samsung Mobile US Press?

Ubuntu Server is ranked #1 of 42 with a score of 8.3. Debian is second and AlmaLinux OS third.

How many of these have a free plan?

9 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, Ubuntu Server has the lowest first paid tier we found: $2.08/mo.

How is this list ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.

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