Duplicati

Duplicati is a free, open source backup tool that encrypts your data before it is stored. You can send backups to many cloud and local storage services and manage them from a central console.

Duplicati backs up files from desktops, laptops, servers and NAS devices. Destinations include S3, WebDAV, SFTP and local storage, and the site also lists Azure Blob Storage and Backblaze B2. It only sends changed blocks, which saves bandwidth. Teams can manage backups for many machines from one place and push the same backup policy to each of them.

• Encrypted backups to cloud or local storage
• Bring your own storage with no added storage fees
• Sends only changed blocks to save bandwidth
• Central backup policies for many machines
• Silent agent-based deployment on client machines

IT teams that manage several sites or departments, and small businesses that want backups without being locked to one vendor. Individuals with a home NAS or several PCs can also use it.

The core software is free and open source. Business features and enterprise plans are offered by the company, and the site asks you to talk to sales for those. You choose where backups are stored, so you can keep data on your own network or with a provider you already use.