Fake Browser
The goal of that tool is to filter the URLs requested by any software which asks the OS to open that URL with the default browser.
Read the file "readme.txt" provided for more details about that and learn how to configure it.
The code is not signed (because I develop the projects offered on this website for free so I won't pay for that),
thus sorry but if you don't trust in the setup, your only option to still use that program
will be to compile it by yourself... To install on windows when the security dialog pops up click "More info" and then "Run anyway"
Download for windows
Source code
As there is no binary provided (for now) for linux and macOs you will have to compile it for yourself on these platforms