The Best 26 Zentyal Alternatives

  • 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

  • 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

  • Turnkey Linux icon

    Turnkey Linux

    Save time and money with 45+ ready-to-use solutions. Discover and leverage the best free open source software. Deploy in minutes to VMs, the cloud, and bare metal

    Free Open Source Linux Web

  • 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

  • Microsoft Exchange Server icon

    Microsoft Exchange Server

    Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft. It is part of the Microsoft Servers line of server products and is widely used by enterprises using Microsoft infrastructure solutions.

    Commercial Windows Web

  • Windows Server 2012 icon

    Windows Server 2012

    Windows Server 2012, codenamed "Windows Server 8", is the sixth release of Windows Server. It is the server version of Windows 8 and succeeds Windows Server 2008 R2.

    Commercial Windows

  • Untangle icon

    Untangle

    Untangle is a platform for deploying network based applications. The platform unites these applications around a common GUI, database and reporting.

    Freemium Linux

  • Artica icon

    Artica

    Get a web based email/messaging, HTTP proxy, files server, VPN administration interface Using Postfix, Squid, Samba And extend them with Security quickly and easily How to create a Mail/Proxy/File

    Free Open Source Linux

  • Ubuntu Server GUI icon

    Ubuntu Server GUI

    Ubuntu Server GUI provides an easy to use set of server management tools designed for Ubuntu Servers.

    Free Open Source Web

  • Sendmail icon

    Sendmail

    Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet.

    Free Open Source Mac OS X Linux

  • iMail icon

    iMail

    Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited mail accounts, storage, attachment size, custom logo.

    Free Windows Self-Hosted

  • Linux Schools icon

    Linux Schools

    Linux Schools consists of Karoshi Server and Karoshi client. It is an Ubuntu LTS Server based solution especially designed for educational environments. It is a fully modular and scalable distribuition, mainly written in Bash.

    Free Open Source Linux

    Modular System Scalable Based on Ubuntu
  • Microsoft Active Directory icon

    Microsoft Active Directory

    Active Directory (AD) is a directory service that Microsoft developed for Windows domain networks and included in most Windows Server operating systems as a set of...

    Commercial Windows

  • SME Server icon

    SME Server

    SME Server is a leading distribution for small and medium enterprises. It stands apart from the competition by shipping with most common functionality preconfigured and...

    Free Open Source Linux

  • IDECO ICS icon

    IDECO ICS

    Linux based gateway for SMB with accent on security. With easy to use web-based configuration tool. With lots of additional features like mail server, VPN server...

    Freemium