Kopia

Kopia is a fast and secure open-source backup/restore tool that manages filesystem snapshots in a remote storage.

Read the Getting Started Guide for a step-by-step walkthrough of using Kopia
Go to the Installation page to get latest kopia release
Have a look at the repositories page to repositories usage examples
Check out some of Kopia’s unique Features including deduplication and encryption
Learn about the Architecture of Kopia
Find more details about command line and APIs in the Reference section.