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Free NethServer Alternatives

The best free alternative to NethServer is pfSense, which is also Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to NethServer and nine of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to NethServer are Cloudron, Ubuntu Server, ClearOS and Univention Corporate Server.

NethServer alternatives are mainly Firewalls but may also be Operating Systems or Mail Servers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of NethServer.
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  • FreeOpen Source
  • Linux
  • Self-Hosted
  • CentOS

NethServer is a CentOS-based Linux distribution for servers. The product's main feature is a modular design which makes...

Learn more about NethServer

  1. pfSense is a free, open source customized distribution of FreeBSD tailored for use as a firewall, and router.

  2. Cloudron is a complete solution for managing apps & users on your own server. Easily deploy production ready apps from the app library and keep them automatically up-to-date. It even comes with a built-in email server and web clients!.

    Currently installed apps grid.

  3. Ubuntu Server icon

    Ubuntu Server

    • FreeOpen Source
    • Linux

    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 cluster or a 50,000-node render farm, Ubuntu Server delivers the best value scale-out performance available.

  4. ClearOS icon


    • FreeOpen Source
    • Linux

    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. They are: ClearOS Enterprise, ClearOS Home, and ClearOS Core.

  5. Univention Corporate Server is a pre-configured platform to operate and manage server applications and complete IT infrastructures free of charge.

    Online portal of UCS for all users and administrators

  6. 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.

  7. Deta Space icon

    Deta Space

    • FreeProprietary
    • Online
    • Deta

    Where web apps are yours.

    Deta Space Homepage
  8. 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 features a number of popular additional enhancements in the form of downloadable contributions.

    SME Server vs NethServer opinions
    pros, cons and recent comments

    A better solution for simpler, lower maintenance requirements.

    Positive comment ago
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  9. IDECO ICS icon


    • FreemiumOpen Source
    • Linux
    • Self-Hosted

    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, traffic shaping, DPI, traffic antivirus and etc.

    AD Integration
Showing 9 of 9 alternatives