Dropbox - Online Sync and File Sharing
NovaBackup Software - NovaBackup Software is a cloud-based backup software that is intended for the windows system, allowing you to store your files, documents, and much more.
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
JustCloud - Cloud storage made easy. Just Cloud offers ultimate online storage, syncing and file sharing. JustCloud cloud storage is rated number 1 on many comparison sites. People also askWhat does JustCloud do?How do I get rid of JustCloud?
Mega - Secure File Storage and collaboration
Nasuni - Nasuni is a solution that unifies primary data storage, offsite disaster recovery, and data backup.