Convert All Popular Audio Formats
DRmare Audio Converter - DRmare Audio Converter for Windows is a complete audio DRM removal tool designed to convert both protected audios, including Apple Music, Audible audiobooks, iTunes music, and common audios to MP3, WAC, FLAC, M4A, AAC, etc.
OpenAudible - OpenAudible Project Page
Easy M4P Converter - Easily remove DRM from iTunes DRM protected files, and batch convert M4P to MP3
TunesKit Audible AA/AAX - Audible AA/AAX Converter by TunesKit is an application that enables you to convert audible AA and AAX files to the formats that are supported by other devices.
M4Pconvert.com - Convert M4P to MP3 format online for free. M4Pconvert.com is the best online tool around is that it’s completely free for unlimited daily conversions per user.
RoxyApps eBook Conversion Tool - Convert djvu, epub, fb2, lit, azw, lrf and other eBook files to txt, pdf, pdb, rtf and other formats