The company I work for offers a service for Germany based customers where they can register a calltracking number and get usage analysis - all for free.
Check it out if you're interested:
https://heldennummer.de
The project has been published today and google already knows about it:
"jukebox democratic" -> no. 5 on google
"jukebox democratic player" -> no. 1 on google
What else should I add? I'm open for any proposals. Thanks!