What are some alternatives?
When comparing Mover.io and Koofr, you can also consider the following products
Air Explorer - Air Explorer is a software to manage all your multiple cloud drives (like Dropbox, Onedrive, Google Drive, Mega, Mediafire, Box, Hidrive, Yandex, Baidu,...) as well as WebDav and FTP connections.
Dropbox - Online Sync and File Sharing
CloudHQ - Integrate Box, Gmail, Salesforce, Google Drive, Dropbox, Basecamp, Evernote, and more.
Google Drive - Access and sync your files anywhere
WebDrive - WebDrive File Access Client allows you to open and edit server-based files without the additional step of downloading the file.
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.