Ampache
Ampache 3.6.x and greater has a [native Libre.FM Plugin](http://ampache.org/blog/index.php?/archives/73-Libre.FM-its-like- french-or-something-right.html) Ampache 3.5 will not work with Libre.FM due to a slight difference between handshake response provided by Last.FM and Libre.FM.