Here we list 3rd-party programs and scripts that work with our database. If you know of any, do add them to this thread.
VGMdb websource script for mp3tag by dano:
http://forums.mp3tag.de/index.php?showtopic=10991
Let's Tag by PhantomSnake (no longer developed):
http://vgmdb.net/forums/showthread.php?t=1902