Short description of Yadis! Backup 1.9.12: Yadis! is a free and simple backup application that protects your private information within minutes. It guards your personal data by making real-time copies (whenever you make changes to your documents) to almost any destination you choose. You do not need to shedule! Whenever you make a change, your data is saved. If the backup destination is not available then the backup is postphoned untill the destination becomes available again.