VyOS is a community fork of Vyatta , a Linux-based network operating system that provides software-based network routing, firewall, and VPN functionality.

Untangle is described as 'Platform for deploying network based applications. The platform unites these applications around a common GUI, database and reporting. Applications on the Untangle platform inspect network traffic simultaneously, which greatly reduces the resource requirements of' and is a Firewall in the security & privacy category. There are more than 25 alternatives to Untangle for a variety of platforms, including Linux, Self-Hosted, Windows, BSD and Web-based apps. The best Untangle alternative is OpenWrt, which is both free and Open Source. Other great apps like Untangle are OPNsense, pfSense, DD-WRT and ClearOS.
VyOS is a community fork of Vyatta , a Linux-based network operating system that provides software-based network routing, firewall, and VPN functionality.

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...
DynFi® Firewall is the first French Open Source firewall. The system integrates many filtering features and allows for the first time to manage a large number of your appliances. Available for free, DynFi Firewall has two images (with VGA or Serial return) compatible with...




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.



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


BSD Router Project (BSDRP) is an embedded free and open source software router distribution based on FreeBSD with FRRouting (Quagga fork) and Bird.
A modern replacement for Sophos UTM based on Sophos, Cyberoam and Astaro technology combined.


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



Scrollout F1 is a free self-hosted email gateway designed for Linux & Windows administrators without advanced email security experience.

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...

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.



Lightspeed uses a filtering system, automatically categorizing new webpages, with ones it has not yet categorized blacklisted in case of new proxies being created. Lightspeed's filter database is fully disclosed to the public.