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
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.
Apple Configurator 2 - Access resources, contact options and learn about mass configuration and iOS deployment options for your institution's devices with Apple Configurator.
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.