Amazon Drive - Cloud storage, sync between devices, and file sharing.
Google Cloud Filestore - Fully-managed cloud file storage
UrBackup - UrBackup is a open source client/server backup system, that through a combination of image and file...
Azure File Storage - Try Azure File Storage for managed file shares that use standard SMB 3.0 protocol. Share data with on-premises and cloud servers, integrate with apps, and more.
Arq - Arq is super-easy online backup
Igloo Software - Igloo is a modern intranet, it connects people with the information they need to do their best work.