In enterprise environments, VPN s lack of compatibility with the internal network and policy structure often prevent network visibility and get in the way of enforcing policies remotely. Tor helps individual users evade censorship and prevent ISPs from snooping on their traffic. OpenWRT allows you to manage your network with a heap of additional plugins like network-wide adblock, OpenVPN, and even Tor integration. Tor uses a network mesh of nodes for anonymization online, which are daisy-chained to connect the user to the rest of the Internet.
Source: https://www.bleepingcomputer.com/news/security/how-to-secure-your-network-five-modern-alternatives-to-vpn/