pfSense

pfsense is a free, open source customized distribution of freebsd tailored for use as a firewall, and router.

Free Open Source BSD

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

Sophos UTM

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.

Commercial Linux Web

Untangle

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

Freemium Linux

Endian Firewall Community

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.

Free Open Source Linux

Kerio Control

Protect your network from viruses, malware and malicious activity with Kerio Control, the easy-to-administer yet powerful all-in-one security solution.

Commercial Linux

CacheGuard-OS

CacheGuard OS is an Appliance oriented Operating System dedicated to Web traffic Security and Optimization.

Free Open Source Windows VirtualBox VMware vSphere Hypervisor Microsoft Hyper-V Server Proxmox Virtual Environment

Forefront Threat Management Gateway

Microsoft Forefront Threat Management Gateway (Forefront TMG), formerly known as Microsoft Internet Security and Acceleration Server (ISA Server), is a network security...

Commercial Windows