Hi
Other than VelbusLink is strictly a Windows only application and doesn’t play nicely in Wine, you’ll also use a lot of bandwidth in your network with a VNC connection.
An alternative solution would be to run some Linux software on an SBC of your choice (Raspberry Pi would be fine) and effectively expose the serial data from the USB connection to an open port.
VelbusLink can then be run from anywhere on your LAN and simply connect to the IP address and port number of your SBC.
Thankfully, there are a number of software options out there.
Here is a how-to for one such solution 