madFLAC is a DirectShow decoder filter for FLAC files.
Server 1 Afreecodec
Batch convert your music between 5 major audio formats, including AAC Mp4 audio.
Tunatic can hear the song and tell you what is that song.
Master 100 guitar chords in all keys
SharpEye - the best music scanning software
Ozone 3 includes all the tools you need to master the commercial sound in second