AirFile lets you manage and access all your clouds in one place. You don't need to use each application for each cloud. It provides you an unified access to all your clouds.
AirFile supports most of popular clouds: Dropbox, Box, Google Drive, OneDrive, OneDrive for Business, Office 365 Sharepoint, Bitcasa, Copy, SugarSync, Amazon S3, DreamObjects. It also supports many network servers: WebDAV, FTP, SFTP.