NethServer is described as 'CentOS-based Linux distribution for servers. The product's main feature is a modular design which makes it simple to turn the distribution into a mail server and filter, web server, groupware, firewall, web filter, IPS/IDS or VPN server' and is a Mail Server in the network & admin category. There are more than 10 alternatives to NethServer for a variety of platforms, including Linux, Self-Hosted, Web-based, Windows and BSD apps. The best NethServer alternative is pfSense, which is both free and Open Source. Other great apps like NethServer are Cloudron, Ubuntu Server, Zentyal and Univention Corporate Server (UCS).
pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more.
Most users think pfSense is a great NethServer alternative.
pfSense is the most popular Open Source & free alternative to NethServer.
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!.
Cloudron is the most popular Web-based, Linux & Self-Hosted alternative to NethServer.
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.
Integrates native Active Directory and all essential network services, including domain, mail, gateway, infrastructure, and security roles, for SMBs, offering web-based management, centralized authentication, file server, VPN, and firewall in a single Linux platform.
Zentyal is the most popular commercial alternative to NethServer.
UCS is an open platform for central identity & access management, IT management, and active directory, with a web portal for easy access to applications.
Univention Corporate Server (UCS) is the most popular SaaS alternative to NethServer.
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.
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. Two pre-release versions, a developer preview and a beta version, were released during development.
Windows Server 2012 is the most popular Windows alternative to NethServer.
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. The software has been designed with "usability in mind" and is very...
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.
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.
A better solution for simpler, lower maintenance requirements.
All CacheGuard products and services are focused on delivering secured and optimized Web contents to our clients. To achieve that goal we made CacheGuard OS which is our core product. Once installed on a virtual or hardware machine, CacheGuard OS turns it into a powerful Web...
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Both NethServer and Zentyal are similar systems. Both are AD servers with lots of similar optional functions. Neth is based oc CentOS, Zentyal on Debian/Ubuntu