Backblaze Personal Backup alternatives: 3 free & open-source picks
Curated, verified, and actually free. No trials, no crippled tiers. Star counts and last-activity dates checked by hand, not scraped and forgotten.
Respaldos cifrados desde el navegador hacia casi cualquier destino de almacenamiento, con más controles que encanto.
licenseMIT
runson your machine
installSigned Windows/macOS/Linux package or Docker container, then configure backups through its local web UI
dataEach backup target contains encrypted compressed `.dblock` data volumes, `.dindex` indexes, and one `.dlist` manifest per version; a local database accelerates catalog and restore operations.
the catch vs Backblaze Personal BackupIt can automate encrypted backups, but you must choose and pay for storage, protect credentials, monitor jobs, and test restores yourself instead of getting Backblaze's managed service.
setupThe first setup is not just an install: you must supply destination credentials, choose encryption and retention, preserve the passphrase, and understand how to rebuild from remote volumes if the local database is lost.
facts verified 2026-08-14
Instantáneas cifradas al almacenamiento que tú elijas; la factura de la nube y los simulacros de restauración siguen siendo tuyos.
licenseApache-2.0
runson your machine
installInstall KopiaUI or the CLI from native Windows/macOS/Linux packages, then create or connect to a repository
dataSnapshots live in an encrypted, deduplicated, content-addressed Kopia repository on local/NAS, SFTP, WebDAV, object storage, rclone, or supported cloud targets; small blocks are packed into opaque blobs.
the catch vs Backblaze Personal BackupIts snapshots are excellent, but the storage account, capacity, billing, scheduling, monitoring, and restore drills are all your responsibility rather than Backblaze's.
setupYou must provision and pay for the storage target, enter its credentials, and safeguard the repository password, Kopia cannot recover data if that password is lost.
facts verified 2026-08-14
Restic con botones, programaciones, verificaciones y suficientes protecciones para no vivir en una terminal.
licenseGPL-3.0
runsyour server
installStandalone installer or Homebrew on macOS/Linux, Windows installer, or Docker Compose; it downloads/manages restic on first run
dataBackups are encrypted, content-addressed restic repositories on the chosen local, SFTP, object-storage, or rclone target; Backrest keeps local JSON configuration, cache, and service data.
the catch vs Backblaze Personal BackupIt adds a friendly scheduler, but unlike Backblaze it includes no unlimited off-site storage, automatic destination, managed retention, or shipped physical restore.
setupYou still have to choose and provision storage, protect the repository password, grant filesystem access, and test restores; macOS may require Full Disk Access.
facts verified 2026-08-14
last updated 2026-08-14 · no votes, no pay-to-list · just what's real
Nextcloud FilesFile sync is not a tested backup system; deletions and bad changes can follow you.
resticExcellent backup engine; still a terminal, scheduler, and retention policy you must assemble yourself.
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| Duplicati | MIT | one-click install | web, macos, windows, linux | 14,900 | 2026-07 |
| Kopia | Apache-2.0 | one-click install | macos, windows, linux, cli | 13,800 | 2026-08 |
| Backrest | GPL-3.0 | one-click install | web, macos, windows, linux | 7,100 | 2026-08 |
People still pay for Backblaze Personal Backup because storage subscriptions sell confidence that files will still exist after a lost device, bad sync, or provider incident. The recurring cost buys chunking, encryption, conflict detection, versions, garbage collection, bandwidth, restore drills, monitoring, billing, and disaster recovery, not just the visible interface. If none of that applies to you, any pick above saves $108 a year.
Is there a free alternative to Backblaze Personal Backup?
Yes: Duplicati, Kopia, Backrest. Every tool on this page is either open source or genuinely free to use long-term: no trials, no crippled tiers.
Should I just build my own Backblaze Personal Backup?
Our verdict is NO TANTO. A consolation build is possible, but the paid product's decisive value sits outside a solo rebuild. For Backblaze Personal Backup, continuously back up a selected computer to user-owned object storage and test restores. The hard boundary is unlimited backup economics, client reliability, restore logistics, support, and durable infrastructure, plus reliability, durability, and cross-device sync. If you'd rather build, the exact one-shot prompt is free at puedovibecodearlo.app/backblaze-personal-backup.
