TunesKit - TunesKit provides the best DRM removal tools to help Mac and Windows users bypass DRM from iTunes M4V movie rentals and purchases, M4P Apple Music, audiobooks and iBooks with fastest speed and high quality.
OpenAudible - OpenAudible Project Page
DRmare M4V Converter - DRmare M4V Converter for Windows specialized in removing DRM from iTunes purchased and rental movies as well as converting iTunes M4V to MP4 and other formats without quality loss.
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.
TuneFab M4V Converter - TuneFab M4V Converter supports you to convert iTunes M4V videos with ease.
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.