Sidify Apple Music Converter - Sidify Apple Music Converter is a popular tool used to convert Apple Music, iTunes M4P music and audiobooks to MP3/AAC/WAV/FLAC/AIFF/ALAC. It keeps lossless audio quality and ID3 tags after conversion.
TunesKit iBook Copy for Mac - Easily remove DRM protection from Apple iBooks and copy DRM protected iBooks to DRM free ePub files.
NoteBurner Audio Recorder - Record Apple Music Song, Podcast, iTunes M4P Music & Audiobook
AudKit AAX Converter - Full-featured AudKit Audible AAX converter to download and convert Audible audiobooks to MP3, AAC, M4A, M4B, etc. losslessly.
TuneCable Apple Music Converter - TuneCable Apple Music Converter is a professional music converter which can help you not only recording Apple Music as common MP3, but also convert M4A/M4B/AA/AAX audiobooks, podcasts and M4P music to MP3, WAV, FLAC, AAC, AIFF and ALAC.
OpenAudible - OpenAudible Project Page