The Best 18 Windows Server 2012 Alternatives

  • Gentoo icon

    Gentoo

    Gentoo Linux is a versatile, fast, highly configurable and completely free Linux and FreeBSD distribution geared towards developers and network professionals.

    Free Open Source Linux BSD FreeBSD

  • CentOS icon

    CentOS

    CentOS is a community-supported, free and open source operating system based on Red Hat Enterprise Linux.

    Free Open Source Linux

  • Red Hat icon

    Red Hat

    Red Hat is the leader in development, deployment, and management of Linux and open source solutions for Internet infrastructure - ranging from embedded devices to secure Web servers.

    Commercial Linux

  • ClearOS icon

    ClearOS

    ClearOS is a family of operating systems for the enterprise, small business, and home. There are three editions to choose from depending on your needs and suitable to your abilities.

    Free Open Source Linux

  • Zentyal icon

    Zentyal

    Zentyal is a native Microsoft Active Directory® implementation on Linux incorporating all the network services required in a small and medium business environment: Directory & Domain Server, Mail Server, Gateway and Infrastructure...

    Free Open Source Linux

  • Ubuntu Server icon

    Ubuntu Server

    The leading platform for scale-out computing, Ubuntu Server helps you make the most of your infrastructure. Whether you want to deploy an OpenStack cloud, a Hadoop...

    Free Open Source Linux

  • NethServer icon

    NethServer

    NethServer is an operating system for Linux enthusiasts, designed for small offices and medium enterprises.

    Free Open Source Linux Self-Hosted CentOS

  • CoreOS icon

    CoreOS

    CoreOS is a new Linux distribution that has been rearchitected to provide features needed to run modern infrastructure stacks.

    Free Linux

  • Amahi Home Server icon

    Amahi Home Server

    The Amahi Home Server is designed for home and small office environments where the technical support staff do not want the job! It is easy to use and offers cross-platform compatibility (PCs, Mac, GNU/Linux, Playstation, Xbox, you name...

    Free Open Source Mac OS X Windows Linux Android iPhone iPad Playstation Xbox

  • Endian Firewall Community icon

    Endian Firewall Community

    Endian Firewall Community (EFW) is a "turn-key" linux security distribution that turns every system into a full featured security appliance with Unified Threat Management (UTM) functionality.

    Free Open Source Linux

  • SUSE Linux Enterprise icon

    SUSE Linux Enterprise

    SUSE is the original provider of the enterprise Linux distribution and the most interoperable platform for mission-critical computing. It's the only Linux...

    Free Open Source Linux

  • Superb Mini Server icon

    Superb Mini Server

    Superb Mini Server (SMS) is a Slackware-based server distribution with web, DNS, DHCP, file, print and fax servers, iptables firewall, mail server with spam filter and...

    Free Open Source Linux

  • Windows Server 2008 icon

    Windows Server 2008

    Save time, increase scalability, and reduce costs with the Windows Server 2008 R2 virtualization tools, Web resources, and management enhancements.

    Commercial Windows

  • Windows Server Essentials icon

    Windows Server Essentials

    Windows Server Essentials (formerly Windows Small Business Server) is a flexible, affordable, and easy-to-use server solution designed and priced for small businesses...

    Commercial Windows

  • Amazon Linux AMI icon

    Amazon Linux AMI

    The Amazon Linux AMI is a supported and maintained Linux image provided by Amazon Web Services for use on Amazon Elastic Compute Cloud (Amazon EC2). It is designed to...

    Free Open Source Linux

  • OS X Server icon

    OS X Server

    Just like that, your Mac is a powerful server. The new OS X Server brings even more power to your business, home office or school. It’s remarkably easy to install...

    Commercial