LiveDrive - Unlimited online backup storage for your PC or Mac with a 14-day free trial
Mozy home - Mozy home is one of the effective and secure online Backups that allows you to keep your documents saved all the time, even there is a disaster with the system.
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.
Zoho WorkDrive - File storage & content collaboration tool for modern teams
Dropbox - Online Sync and File Sharing
Sync.com - Sync. com offers a backup tool and a file sharing service, rolled into one.