ADrive provides online cloud storage and backup solutions for personal, business and enterprise-level data.

ASUS WebStorage is a Cloud Storage Service that helps user backup data, sync file between devices and share data to friends.

Backblaze is a pioneer in robust, scalable low cost cloud backup and storage services. Personal online backup to enterprise scale data storage solutions.

CloudBerry Online Backup is a Windows product that automates backup and restore processes and works with your Amazon S3 storage.

CmisSync allows you to synchronize any CMIS-compliant ECM server with your local PC.

CrashPlan backup software offers the best way to back up and store personal, business & enterprise data securely - offsite, onsite & online in the Cloud.

Areca Backup is a personal file backup software developed in Java. It is released under the GNU General Public License (GPL) 2.

AutoVer is a configurable automatic or real time backup and personal versioning system.

Carbonite is an online backup service.

CloudBerry Box provides bi-directional synchronization of data across remote computers.

Comodo Online Backup is an online data backup service.

Create Synchronicity is a powerful and lightweight open source backup and synchronization program, available in many languages.