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.
Syncios WhatsApp Transfer - Syncios WhatsApp Transfer is both phone to phone WhatsApp transfer and WhatsApp backup and restore tool. It not only supports to transfer WhatsApp chats iOS and Android devices, but also supports backing up your WhatsApp data to PC and restore .