I have been looking around for a project like this so many times. And the most projects is outdated.
So now I have been learning c++ just for this.
My project is named Spoton and can be found as open source on GithubInstallation Information
Here is an installation guide how to be able to run Spoton.
A script is also made for mIRC, a simple alias to write out the song. I didn't want to make something big, just basic.
I have also made the DLL-File Downloadable on Github
if people don't know how to compile the c++ project.
Since the latest release Spoton will detect Spotify Premium and Spotify Free when paused.
This release also includes Advertise detection. But it's not 100% working.
An example how it looks like when just echo out the song in active window: