4
Apache NuttX
Apache NuttX is a free real-time operating system for embedded systems, designed around standards compliance and a small footprint.
Free planOpen sourceAPILinuxmacOSSelf-hosted
7.3Free plan
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5
AlmaLinux OS
AlmaLinux OS is a free, open-source, community-owned enterprise Linux distribution that is binary compatible with RHEL.
Free planOpen sourceAPILinuxSelf-hostedWindows
7.2Free plan
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6
Manjaro Linux
Manjaro Linux is a free Linux distribution based on Arch Linux, designed to make Arch’s power and flexibility more accessible.
Free planOpen sourceLinuxSelf-hosted
7.0Free plan
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7
pfSense
pfSense is a free, open-source firewall and router distribution based on FreeBSD, managed through a web interface.
Free planWebLinuxSelf-hosted
7.0Free plan
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8
Pop!_OS
Pop!_OS is a free Linux operating system from System76 for productive, customizable computer use.
Free planOpen sourceLinux
7.0Free plan
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9
Nix
Nix is a package manager and system configuration tool for creating reproducible, declarative environments.
Free planLinuxmacOSSelf-hostedWindows
6.7Free plan
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10
postmarketOS
postmarketOS, now called Nura, is a free, open-source operating system project focused on extending the life of consumer electronics.
Free planAndroidLinux
6.6Free plan
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11
Ubuntu Server
Ubuntu Server is a Linux server operating system for enterprise data centers, public and private clouds, Kubernetes clusters and render farms.
Free planLinuxSelf-hosted
6.6From $25 a year
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12
OmniOS
OmniOS is an open-source server operating system based on illumos for physical servers and virtual machines.
Free planLinuxSelf-hosted
6.5From $500 a year
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13
Solus
Solus is a free, independent Linux operating system for personal computers, including desktops and laptops with 64-bit x86-64 processors.
Free planLinux
6.4Free plan
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14
MX Linux
MX Linux is a free family of Linux operating systems built from Debian Stable repositories for efficient desktop use, stability and performance.
Free planLinux
6.3Free plan
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15
Raspberry Pi Imager
Raspberry Pi Imager is a free utility for writing Raspberry Pi OS and other operating systems to storage media for use with a Raspberry Pi.
Free planLinuxmacOSWindows
6.2Free plan
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16
Rocky Linux
Rocky Linux is a free, open-source enterprise operating system designed for bug-for-bug compatibility with Red Hat Enterprise Linux.
Free planLinuxSelf-hostedWindows
6.2Free plan
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17
Amazon Linux
Amazon Linux is a free Linux distribution for EC2 instances and Docker container workloads.
Free planLinuxSelf-hosted
6.1Free plan
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18
Ubuntu Touch
Free planAndroidSelf-hosted
6.1Free plan
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19
Debian
Debian is a free operating system created by the Debian Project, an association of individuals.
Free planLinuxSelf-hosted
6.0Free plan
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20
FreeRTOS
FreeRTOS is a real-time operating system for microcontrollers and small microprocessors.
Free planLinuxWindows
6.0Free plan
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21
Photon OS
Photon OS is a free, open-source Linux appliance operating system built for cloud and edge applications.
Free planLinuxSelf-hosted
6.0Free plan
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22
Sailfish OS
AndroidLinux
6.0From €4.90 a month
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23
Void Linux
Free planLinuxSelf-hosted
6.0Free plan
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24
Alpine Linux
Alpine Linux is a free, independent Linux distribution for power users who value security, simplicity, and efficient resource use.
Free planLinuxSelf-hosted
5.9Free plan
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25
Linux Mint
Linux Mint is a free operating system for desktop and laptop computers, based on Debian and Ubuntu.
Free planLinux
5.9Free plan
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26
OpenIndiana
OpenIndiana is a free, community-developed, illumos-based Unix-like operating system derived from OpenSolaris.
Free planLinuxSelf-hosted
5.9Free plan
Visit
27
Zorin OS
Free planLinux
5.9Free plan
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28
CentOS Stream
CentOS Stream is a Linux distribution that tracks development just ahead of RHEL, between Fedora Linux and RHEL.
Free planLinuxSelf-hosted
5.8Free plan
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29
Fedora CoreOS
Free planLinuxSelf-hosted
5.8Free plan
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30
Fedora Linux
Fedora Linux is a free, open-source platform for desktops, servers, clouds, and container workloads.
Free planLinuxSelf-hosted
5.8Free plan
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