iMyFone AllDrive is a multiple cloud storage manager that allows you to manage all cloud drive storage accounts in one place, transfer files between cloud drives, backup files from unlimited computers to secure cloud, and more.
Related Tools
Koofr
Koofr is a cloud storage that allows you to connect and access your favorite cloud accounts like Google Drive, Dropbox, Amazon Drive, and OneDrive in one app. You can search all your files on all your accounts using Koofr.
14 
