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!

Files - Keep everything organized without breaking your flow. Dropbox brings your files together, in one central place. They're easy to find and safely synced across all your devices—so you can access them anytime, anywhere.

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)

FileApp - FileApp is an iPhone and iPad File System and Document Viewer.

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.

Filza File Manager - Explore files and folders with list view or grid view. View / edit files with powerful viewers.