Cloud storage

Backblaze Personal Backup alternatives

2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.

The full assessment →

The projects

duplicati/duplicati14,865licence unclearEncrypted, scheduled cloud backups with deduplication and a web-based GUI for end users.Open on GitHub kopia/kopia13,797Apache-2.0Cross-platform incremental backup tool with client-side encryption, deduplication, CLI and GUI.Open on GitHub

What you give up either way

Large-scale storage infrastructure and operational reliability at Backblaze scale
Mailed hard drive restore service and related logistics
Guaranteed unlimited-plan economics and enterprise care
Polished native clients maintained for many OS versions

An open-source project doing the core job proves a replacement is possible. It does not prove it matches Backblaze Personal Backup, and it does not prove anyone has run it for a month. How we decide.