Can I open-source Backblaze Personal Backup?
YES · mature open-source replacementYes. Syncthing (70k stars), Nextcloud (29k stars), Ente (20k stars) are mature open-source replacements for Backblaze Personal Backup — self-host in one command and stop paying $9/mo.
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.
xunlimited backup economics, client reliability, restore logistics, support, and durable infrastructure
xglobal sync network
xbattle-tested conflict resolution
xransomware recovery guarantees
xmobile clients and support
These projects already replace it, free.
DDuplicatiBrowser-driven encrypted backups to nearly any storage target, with more knobs than charm.open source↗KKopiaEncrypted snapshots to storage you choose; the cloud bill and restore drills are still yours.open source↗BBackrestRestic with buttons, schedules, checks, and enough guardrails to avoid living in a terminal.open source↗What each one is, in full: Duplicati
all 7 open-source alternatives to Backblaze Personal Backup →· no votes, no pay-to-list · just what's real
Backblaze Personal Backup pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| computer backup | $9 | $8.25 | Unlimited backup data for 1 computer plus directly attached external drives; NAS devices are excluded. |
free tierno permanent free tier; 15-day trial
billingmonthly + annual + 2-year; subscriptions are priced per computer
hidden costs30-day version history is standard; 1-year history can be enabled without an added recurring fee, while Forever Version History bills data older than 1 year at $0.006/GB/month. Shipped USB restores require an upfront device charge, refundable only if returned within the stated window.
verified 2026-08-11 · source ↗
Can I open-source Backblaze Personal Backup?
Yes. Duplicati replaces Backblaze Personal Backup today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.
How much does Backblaze Personal Backup cost?
Backblaze Personal Backup costs about $9/month (Computer Backup, checked 2026-07-31), which is $108 per year. That's what you save by replacing it with open source.
What do I lose by replacing Backblaze Personal Backup?
Honestly: unlimited backup economics, client reliability, restore logistics, support, and durable infrastructure; global sync network; battle-tested conflict resolution; ransomware recovery guarantees; mobile clients and support. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Backblaze Personal Backup?
Yes: Duplicati (Browser-driven encrypted backups to nearly any storage target, with more knobs than charm.) Kopia (Encrypted snapshots to storage you choose; the cloud bill and restore drills are still yours.) Backrest (Restic with buttons, schedules, checks, and enough guardrails to avoid living in a terminal.) All 7 curated open-source alternatives are at caniopensourceit.online/backblaze-personal-backup/alternatives.