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)
iMyFone iTransor for WhatsApp - iMyfone iTransor for Whatsapp is the best transfer tool which can help you transfer Whatsapp cross-device.
i-FunBox - General file management software for iPhone and other Apple products
Tenorshare WhatsApp Transfer - Transfer/Backup/Restore WhatsApp on iPhone/Android with One Click
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.
Jihosoft WhatsMate - Jihosoft WhatsMate is an all-in-one WhatsApp manager for both Android & iOS users. It enables you to backup&restore WhatsApp, recover deleted WhatsApp data, and transfer WhatsApp files between Android and iPhone.