Forefront Threat Management Gateway AlternativesOnly apps categorised as Firewalls

OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases. It brings the rich feature set of commercial offerings with the benefits of open and verifiable sources.

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.

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...

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.

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.

Zeroshell is a Linux distribution for servers and embedded devices aimed at providing the main network services a LAN requires. It is available in the form of Live CD or Compact Flash image and you can configure and administer it using your web browser.

A modern replacement for Sophos UTM based on Sophos, Cyberoam and Astaro technology combined.

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

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...