Apprentice Alf's DeDRM Tools - Everything you ever wanted to know about DRM and ebooks, but were afraid to ask.
iMazing - iMazing lets you transfer music, files, messages, apps and more from any iPhone, iPad, or iPod to a computer, Mac or PC. Manage and backup your iOS device simply without iTunes. (was DiskAid)
AppleMacSoft DRM Converter for Mac - Legal Convert iTunes and Apple Music M4P to MP3 on Mac with DRM Converter 3.
AnyTrans - AnyTrans is an ultimate product manager that converge your entire apple products and consolidates every access to all your content in one place including video, audios, images, messages, voice memo etc.
Easy M4P Converter - Easily remove DRM from iTunes DRM protected files, and batch convert M4P to MP3
Coolmuster Mobile Transfer - Coolmuster Mobile Transfer is the world's best phone to phone data transfer tool that enables you to share contacts, SMS, photos, videos, and more between iOS, and Android devices quickly.