Netgate pfSense

pfSense® Plus software is the world’s most trusted firewall. The software has garnered the respect and adoration of users worldwide - installed well over seven million times. Made possible by open source technology. Made into a robust, reliable, dependable product by Netgate. A remarkably powerful, robust, and easy to use solution, pfSense software delivers edge firewall, router, and VPN functionality to homes, businesses, educational institutions, and government agencies - literally across every continent - making networks more robust and secure.