Best Open-Source Password Managers (2026): Choose by Workflow
An unranked selection of password managers with open-source applications, covering hosted services, self-hosting and local vaults.
Updated November 2026Reviewed by StaySecureHub Editorial TeamEditorial review
The best choice depends on who should manage your vault. This selection covers three different workflows rather than a numerical ranking: a hosted service with integrated aliases, hosted or self-hosted password management, and a local encrypted database.
We reviewed official project documentation on November 2, 2026. This is not a new security audit or hands-on comparison. No product has been awarded a new score, and the order below is not a ranking.
| Product | Why consider it? | Responsibility and limitation |
|---|---|---|
| Proton Pass | Hosted sync and integrated aliases; open-source apps | Free alias limits apply; the entire hosted service is not a self-hosted release |
| Bitwarden | Free personal vault and documented self-hosting options | Check licenses by component; maintaining your own server adds work |
| KeePassXC | Local encrypted database on Windows, macOS and Linux; GPLv3 project | You arrange database backup and any synchronization; mobile access requires a compatible separate application |
Choose the hosting model first
A hosted service handles synchronization infrastructure. A self-hosted server gives you different control, but also requires patching, recovery and operational discipline. A local database keeps the file under your control; copying it between devices does not automatically create a reliable backup strategy.
Check what is actually open
Proton publishes the code of its Pass applications. Bitwarden publishes code across its products, with licenses and additional terms that must be checked for the relevant component and feature. KeePassXC identifies its application as GPLv3 software. These statements should not be expanded into a claim that every component of every commercial service uses the same license.
Practical conclusion
Consider Proton Pass for integrated aliases, Bitwarden for its documented hosted and self-hosted choices, or KeePassXC when you prefer a local database and can manage file backup and synchronization. Compare recovery, sharing and device support before migrating.
For a closer look, read Proton Pass vs Bitwarden and our free password manager guide. 1Password is a relevant paid alternative, but is not included here as an open-source password manager.
Affiliate disclosure: we may earn a commission through links to Proton Pass. That relationship does not determine inclusion, order or the trade-offs described here.
Frequently Asked Questions
Does open-source guarantee a secure password manager?
No. Reviewable code is useful, but design, maintenance, recovery, device security and independent review still matter.
Are all three complete services fully open source?
Do not assume that. Check each application and server license separately. Open-source apps, source-available paid components, self-hosting and local database software are different propositions.