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)
IOTransfer - IOTransfer 3 - iPhone/iPad manager and iPhone transfer software to easily manage/transfer/sync/backup photos, music, videos, contacts, etc.
FileBrowser - FileBrowser is a multifunctional file manager for the iOS devices that are used for accessing files in both local and networked environment.
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).
Documents by Readdle - A central hub for all your files.
Decipher Backup Repair - Repair and restore corrupt iPhone backups. If you are getting the error message "iTunes / Finder could not restore the iPhone because the backup was corrupt" then Decipher Backup Repair can help!