PiFi is described as 'Networking firmware and software project for Raspberry Pi devices that makes it easy to setup a VPN/travel router (Wireguard, AdGuard, OpenVPN, NAS) with no technical knowledge which can be managed via smartphone app' and is a router custom firmware in the network & admin category. There are four alternatives to PiFi for a variety of platforms, including Linux, Raspberry Pi, Docker, Kali Linux and iPhone apps. The best PiFi alternative is OpenWrt, which is both free and Open Source. Other great apps like PiFi are Secure Programmable Router, RaspAP and Liminix.