Can I open-source Proton Drive Plus?
YES · mature open-source replacementYes. Syncthing (70k stars), Nextcloud (29k stars), Ente (20k stars) are mature open-source replacements for Proton Drive Plus — self-host in one command and stop paying $5.68/mo.
People still pay for Proton Drive Plus 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.
xend-to-end encryption, Proton identity, mobile apps, recovery, and privacy operations
xglobal sync network
xbattle-tested conflict resolution
xransomware recovery guarantees
xmobile clients and support
These projects already replace it, free.
PPeergosEnd-to-end encrypted sync and secret links, with a smaller ecosystem and a stranger architecture.open source↗SSyncthingContinuous peer-to-peer file sync between your devices with no server and no cloud in the middle.open source↗NNextcloudYour own Dropbox plus calendar, contacts, office docs and a huge app store. The default answer to "can I self-host my files?"open source↗What each one is, in full: Syncthing · Nextcloud
all 5 open-source alternatives to Proton Drive Plus →· no votes, no pay-to-list · just what's real
Proton Drive Plus pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| proton free | $0/user | $0/user | 2 GB storage initially; up to 5 GB after completing onboarding actions. |
| drive plus | $5.68/user | $4.54/user | 200 GB storage; 10-year file-version recovery. |
| proton unlimited | $14.78/user | $11.37/user | 500 GB shared across Proton services for 1 user. |
| proton duo | $22.75 | $17.06 | 2 TB shared by 2 users. |
| proton family | $34.13 | $27.30 | 3 TB shared by up to 6 users. |
free tier2 GB initially, expandable to 5 GB by completing onboarding actions
billingmonthly + annual; prices converted from official EUR figures using the cited ECB reference rate
hidden costsThere is no Drive-only metered storage overage. Once storage is exhausted, the user must delete data or upgrade to a larger Proton bundle. Refund eligibility is generally limited to the first 30 days and subject to Proton's terms.
verified 2026-08-11 · source ↗
Can I open-source Proton Drive Plus?
Yes. Peergos replaces Proton Drive Plus 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 Proton Drive Plus cost?
Proton Drive Plus costs about $5.68/month (Drive Plus, checked 2026-08-11), which is $68.16 per year. That's what you save by replacing it with open source.
What do I lose by replacing Proton Drive Plus?
Honestly: end-to-end encryption, Proton identity, mobile apps, recovery, and privacy operations; 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 Proton Drive Plus?
Yes: Peergos (End-to-end encrypted sync and secret links, with a smaller ecosystem and a stranger architecture.) Syncthing (Continuous peer-to-peer file sync between your devices with no server and no cloud in the middle.) Nextcloud (Your own Dropbox plus calendar, contacts, office docs and a huge app store. The default answer to "can I self-host my files?") All 5 curated open-source alternatives are at caniopensourceit.online/proton-drive-plus/alternatives.