OpenWrt - OpenWrt is an open-source firmware based on Linux for wireless routers
Gargoyle - Gargoyle Router Firmware home page
libreCMC - The libre Embedded GNU/Linux Distro.
LuCI - LuCI is an OpenWrt Configuration Interface.
JUCI - JUCI JavaScript Webgui for embedded devices running OpenWRT - GitHub - mkschreder/juci: JUCI JavaScript Webgui for embedded devices running OpenWRT
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more