OpenWrt - OpenWrt is an open-source firmware based on Linux for wireless routers
TinyWall - Lightweight and non-intrusive firewall
MikroTik RouterOS - The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.
SonicWall - SonicWall security solutions protects your network, systems, users and data from cyber threats.
AdvancedTomato - A Tomato by Shibby fork with intuitive and modern flat design GUI.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more