PVS is a product that performs a service. They have made major efforts to port this product to Linux; they have multiple articles scanning Linux FSF products and the Linux Kernel.

People deserve to be paid for their work if it's useful.

I'm sure Andrey would be willing to give you the source code, or even just straight out GPL/BSD license it to everyone if you paid enough. So you see, it still comes back to the problem that you aren't willing to pay what is requested.