wifi - How do I set up a OpenVPN tunnel for Raspberry Pi on LAN without internet connectivity? - Raspberry Pi Stack Exchange
OpenWRT - Raspberry Pi as Router - CPU, Wireguard, OpenVPN, WiFi Throughput & Speedtest - YouTube
Building an encrypted travel wifi router
Setup a Raspberry Pi VPN Server - The Geek Pub
Build a Smart Raspberry Pi VPN Server: Auto Configuring, Plug-n-Play, Use from Anywhere by Ira Finch | Goodreads
Last night I finished my Raspberry Pi VPN router for my home network, complete with a kill switch for whenever I need to switch to clean network. : r/VPN
Raspberry Pi 4 as a Network Router - YouTube
Turn Your Raspberry Pi into a VPN Router with One App - Speedify
How a Single Raspberry PI made my Home Network Faster