ClearOS is described as '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' and is a popular Firewall in the development category. There are more than 25 alternatives to ClearOS for a variety of platforms, including Linux, Self-Hosted, Windows, Web-based and BSD apps. The best ClearOS alternative is openmediavault, which is both free and Open Source. Other great apps like ClearOS are pfSense, Cloudron, Univention Corporate Server (UCS) and Zentyal.
openmediavault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. It can be enhanced via plugins.
One is for gateway servers and the other for home servers, different practical uses.
pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more.
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!.
UCS is an open platform for central identity & access management, IT management, and active directory, with a web portal for easy access to applications.
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.
NethServer is an application manager for Linux servers. The product's main feature is the ability to easily and quickly install and manage instances of applications over multiple nodes. It allows users to deploy services, like [Nextcloud](https://alternativeto.
NethServer is rocksolid and has a great and welcoming communtiy. besides the official modules there are MANY community maintained modules that gives an unmatched functionality for NethServer
Sophos UTM integrates complete security software within a single appliance. Choose only the protection you need when you need it. And deploy it on the platform that best fits your business: software, hardware or virtual appliance.
Protect your network from viruses, malware and malicious activity with Kerio Control, the easy-to-administer yet powerful all-in-one security solution.
A modern replacement for Sophos UTM based on Sophos, Cyberoam and Astaro technology combined.
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...
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.
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Openmediavault is a NAS/Docker/Home server with no router functions