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.
Microsoft Forefront Threat Management Gateway (Forefront TMG), formerly known as Microsoft Internet Security and Acceleration Server (ISA Server), is a network security and protection solution for Microsoft Windows, described by Microsoft as "enables businesses by allowing...
United States
CacheGuard Gateway is a free, open-source network security appliance for startups, growing businesses, and SMEs/SMBs that need enterprise-grade protection without the complexity or cost.
France
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The SmoothWall Open Source Project was set up to develop and maintain SmoothWall Express - a Free firewall that includes its own security-hardened GNU/Linux operating system and an easy-to-use web interface.
United Kingdom
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 anti-virus scanner, and BitTorrent station.
Vilfo OS is an easy and powerful software enabling multiple simultaneous connections to VPN servers. It contains firewall, split tunneling, DNS leak protection, VPN killswitch, notifications and much more.
SwedenEU
Windows Server Essentials (formerly Windows Small Business Server) is a flexible, affordable, and easy-to-use server solution designed and priced for small businesses with up to 25 users and 50 devices.
United States
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
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.
Thailand
The Amahi Home Server is designed for home and small office environments where the technical support staff do not want the job!
United States
OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the...
Liminix is a Nix-based OpenWrt-style embedded Linux system for configuring consumer wifi routers. We use the Nix language for congruent configuration management, and packages from the Nix package system.
Scrollout F1 is a free self-hosted email gateway designed for Linux & Windows administrators without advanced email security experience.
BelgiumEU
