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.
Xilisoft iPhone Transfer - Xilisoft iPhone Transfer is a smart tool that allows uses to synchronize their iPhones with the computer in a single click.
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.
WALTR - Drag-and-drop any media file to an iOS device (without iTunes) for native playback.
WinX MediaTrans - WinX MediaTrans shows its full ability to sync iOS files between iPhone, iPad, iPod Touch and PC, implementing 2-way transfer of photos, music, videos, e-books and other media files (including iTunes purchases).