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)
CopyTrans Manager - CopyTrans Manager: The free iTunes alternative to manage iPhone, iPad and iPod without iTunes. CopyTrans Manager allows you to quickly drag and drop music and videos from PC directly to your iPhone, iPod or iPad.
i-FunBox - General file management software for iPhone and other Apple products
Touch Copy - TouchCopy allows you to transfer all your iPhone content back to your PC or a Mac. You can backup your Music, Photos, Videos Contacts and other media from your iPhone, iPad or iPod, as well as save and print your iPhone Messages.
iExplorer - iExplorer lets you easily transfer music, playlists, text messages, files and more from any iPhone, iPod, or iPad to a Mac or Windows computer and iTunes.
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.