Duplicati is a tool that helps users to create and restore backups, can easily setup and monitor a large number of backups on Windows. It is based on the Duplicity backup system. It adds a very user friendly interface that allows you to configure and monitor your backups. As it is based on Duplicity, it supports backing up to a variety of destinations:
1. A network folder
2. An USB Disk
3. A remote server using FTP
4. A remote server using encrypted SSH
5. A remote server using WebDAV
6. All backups can be encrypted and digtally signed, so that no other person can read or tamper with with backed up data.

The license of this software is Free, you can free download and free use this data backup software.