Raspberry Pi 4 as a Home Router: OpenWRT + AdGuard Home - YouTube
Linux Containers (LXD) + Virtual OpenWrt router on the Raspberry Pi
Amazon.com: Nanopi R5S Computer Mini Routers OpenWRT with Three Gbps Ethernet Ports LPDDR4X 4GB RAM Mali-G52 GPU Rockchip RK3568 Soc for IOT NAS Smart Home Gateway Support Android FriendlyWrt Docker : Electronics