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IPFire is a server distribution with intended to use as a firewall. It focuses on flexibility, and scales from small to middle sized business networks and home networks.

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 easy to install, use and manage, without losing its flexibility.

RusRoute is a router and firewall, Internet gateway for Windows, it is the ideal solution for making Internet gateway for local area network (LAN) of any firm, the users' traffic encountering and restricting, protection against of network attacks with functions of NAT, redirect, dynamic TCP shaper with conditional expressions, VPN server, transparent proxy with port numbers saving, LAN to VPN Bridge, DHCP servers, HTTP caches, HTTP to HTTP proxy converter, captive portal feature, timed action and Splitters for rules, with advanced routing options. »