CloudMounter - CloudMounter for Mac OS X: map Dropbox as network drive, mount OneDrive, Google Drive and Amazon S3; FTP client and WebDAV client.
Rebel Backup - Rebel Backup lets you make encrypted backups of your important files to Dropbox or Google Drive.
Box Drive - Unlimited cloud storage, now on your desktop 📦
WholesaleBackup - WholesaleBackup is an online data backup service provider that turns your system into a backup server, allowing you to host the backup data on your own Windows Server environment.