17.1
AlmaLinux OS is a free, open-source, community-owned enterprise Linux distribution that is binary compatible with RHEL.
Free planOpen sourceAPILinuxSelf-hosted
Alternatives to Kairos
26.7
Nix is a package manager and system configuration tool for creating reproducible, declarative environments.
Free planLinuxmacOSSelf-hosted
36.6
Ubuntu Server is a Linux server operating system for enterprise data centers, public and private clouds, Kubernetes clusters and render farms.
Free planLinuxSelf-hosted
- 4
OmniOS
OmniOS is an open-source server operating system based on illumos for physical servers and virtual machines.
Free planLinuxSelf-hosted6.5From $500 a year - 5
FreeBSD gpart
FreeBSD gpart is a utility for managing disk partitioning through FreeBSD’s GEOM class.
Free planSelf-hosted6.4Free plan - 6
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-hostedWindows6.1Free plan - 7
Amazon Linux
Amazon Linux is a free Linux distribution for EC2 instances and Docker container workloads.
Free planLinuxSelf-hosted6.0Free plan - 8
Photon OS
Photon OS is a free, open-source Linux appliance operating system built for cloud and edge applications.
Free planLinuxSelf-hosted6.0Free plan - 9
Alpine Linux
Alpine Linux is a free, independent Linux distribution for power users who value security, simplicity, and efficient resource use.
Free planLinuxSelf-hosted5.9Free plan - 10
Debian
Debian is a free operating system created by the Debian Project, an association of individuals.
Free planLinuxSelf-hosted5.9Free plan - 11
OpenIndiana
OpenIndiana is a free, community-developed, illumos-based Unix-like operating system derived from OpenSolaris.
Free planLinuxSelf-hosted5.9Free plan - 12
CentOS Stream
CentOS Stream is a Linux distribution that tracks development just ahead of RHEL, between Fedora Linux and RHEL.
Free planLinuxSelf-hosted5.8Free plan - 13
Fedora CoreOS
Free planLinuxSelf-hosted5.8Free plan - 14
NetBSD
Free planSelf-hosted5.8Free plan - 15
Oracle Solaris
Free planSelf-hosted5.7Free plan - 16
4.9 - 174.9
- 184.5
- 19
Bottlerocket
Linux4.4 - 20
DragonFly BSD
Linux4.4 - 214.4
- 22
illumos
Linux4.4 - 234.4
- 24
openEuler
Linux4.4 - 25
openSUSE MicroOS
Linux4.4 - 26
SUSE Linux Micro
Linux4.4 - 274.3
- 284.3