1)   Macsome AudioBook Converter for Mac 1.3.7
Convert DRM audio book to MP3 or AAC in 5X fast speed and CD quality, with ID Tags preserved. Audible audio book to MP3 or AAC converter. Remove DRM from Audible audio book.

 2)   Macsome iTunes Converter for Mac 1.3.7
Convert M4P to MP3, AA to MP3 or AAC in 5X fast speed, with ID Tags preserved on Mac OS X. iTunes M4P to MP3 Converter, Audible AA to MP3 or AAC converter. Remove DRM from any purchased audio files could play on your iTunes.