Usually, free programs are trial versions of paid programs. The client can try out the product before buying a VPN connection. The best VPN of yesteryear is the one that does not have a tunnel connection, as drivers can crash, and there will be problems with the local connection. I found the
best linux vps for me and worked through it. I can say that it is much more comfortable and reliable compared to a regular VPN. It is easier and better for me to work when both networks are on, and there are no interruptions.