Best Operating Systems in 2026
Updated
In short: Ubuntu Server is ranked #1 of 41 as of 3 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 means matching software and hardware requirements with the way you deploy and manage machines. Compare app compatibility, CPU architectures, device types, and deployment models, then look at built-in management and support lifecycle. Free-plan availability and paid-from pricing provide additional points for evaluating ongoing use. Ubuntu Server, Debian, and AlmaLinux OS lead the ranking, with Rocky Linux and CentOS Stream among the next entries. Consider which applications and architectures your stack depends on, and whether the listed deployment, management, and lifecycle details align with your operational needs.
41 operating systems ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Device types | |
|---|---|---|---|---|---|---|---|---|
| 1 |  Ubuntu Server | 7.6 | RecognisedAPIDocumented | $2.08/mo | Yes | — | servers, virtual machines, cloud instances, IoT/edge devices | View |
| 2 |  Debian | 7.4 | RecognisedAPIDocumented | Free | Yes | — | Personal computers; cloud virtual machines | View |
| 3 |  AlmaLinux OS | 7.4 | RecognisedAPIDocumented | Free | Yes | — | Servers, workstations, virtual machines, cloud instances, containers, Raspberry Pi devices, WSL environments | View |
| 4 |  Rocky Linux | 7.3 | RecognisedAPIDocumented | Free | Yes | — | Servers, workstations/desktops, Raspberry Pi, virtual machines, cloud instances, containers | View |
| 5 |  CentOS Stream | 7.2 | RecognisedAPIDocumented | Free | Yes | — | Servers, workstations, cloud instances, and containers | View |
| 6 |  Fedora Linux | 7.1 | RecognisedAPIDocumented | Free | Yes | — | Desktop computers, laptops, servers, cloud virtual machines, IoT devices | View |
| 7 | OPNsense | 7.1 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 8 |  Amazon Linux | 7.0 | RecognisedAPIDocumented | — | Yes | — | EC2 instances; Docker container workloads | View |
| 9 |  Oracle Solaris | 6.9 | RecognisedAPIDocumented | — | Yes | — | Servers and enterprise systems | View |
| 10 |  ChromeOS | 6.7 | RecognisedAPIDocumented | — | Yes | — | Chromebooks, Chromeboxes, Chromebases, Chromebits; ChromeOS Flex on certified PCs and Macs | View |
| 11 |  Alpine Linux | 6.6 | RecognisedAPIDocumented | — | Yes | — | Physical computers, Raspberry Pi, routers, servers, virtual machines, cloud images, containers and chroots | View |
| 12 |  Fedora CoreOS | 6.6 | RecognisedAPIDocumented | — | Yes | — | servers; bare-metal systems; virtual machines; cloud instances | View |
| 13 |  Qubes OS | 6.6 | RecognisedAPIDocumented | — | Yes | — | Computers with compatible 64-bit Intel or AMD CPUs and required virtualization features | View |
| 14 |  Apache NuttX | 6.5 | RecognisedAPIDocumented | — | Yes | — | Development boards and embedded devices; simulator targets are also documented | View |
| 15 |  NetBSD | 6.5 | RecognisedAPIDocumented | — | Yes | — | Servers, desktop systems, embedded devices, handheld devices, legacy hardware, and emulators | View |
| 16 |  Photon OS | 6.4 | RecognisedAPIDocumented | — | Yes | — | Bare-metal systems, virtual machines, Raspberry Pi, cloud instances | View |
| 17 |  FreeRTOS | 6.3 | RecognisedAPIDocumented | — | Yes | — | Microcontrollers and small microprocessors | View |
| 18 |  Gentoo Linux | 6.3 | RecognisedAPIDocumented | — | Yes | — | desktop PCs, servers, embedded and small systems, single-board computers | View |
| 19 | MX Linux | 6.3 | RecognisedAPIDocumented | — | Yes | — | Desktop and laptop computers; removable USB media for live operation | View |
| 20 |  Pop!_OS | 6.3 | RecognisedAPIDocumented | — | Yes | — | Computers, laptops, desktops, workstations; ARM computers | View |
| 21 |  Linux Mint | 6.2 | RecognisedAPIDocumented | — | Yes | — | desktop computers, laptop computers | View |
| 22 |  Xubuntu | 6.1 | RecognisedAPIDocumented | — | Yes | — | desktop computers | View |
| 23 |  Kubuntu | 6.1 | RecognisedAPIDocumented | Free | Yes | — | Desktop PCs, laptops | View |
| 24 |  QNX Neutrino RTOS | 6.0 | RecognisedAPIDocumented | — | No | — | Embedded systems; supported applications include medical instruments, routers, telematics devices, process-control systems and air-traffic-control systems | View |
| 25 |  Lubuntu | 6.0 | RecognisedAPIDocumented | — | Yes | — | Desktop PCs and laptops; project homepage also mentions Raspberry Pi | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which operating system is ranked first on Inferse?
Ubuntu Server is ranked #1 of 41 with a score of 7.6. Debian is second and AlmaLinux OS third.
How many of these have a free plan?
8 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 on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.