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!

Documents by Readdle - A central hub for all your files.

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)

GoodReader - With GoodReader on your iPhone, iPod Touch or iPad, you can read virtually anything, anywhere.

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.

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