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Open-source password managers offer more visibility into their code, and Bitwarden also documents a self-hosting option. Those choices can give you more say over how the service is operated and where data is stored—but they do not, by themselves, prove stronger security or establish that a particular user has regained control. A fair comparison with 1Password starts with what each vendor says about encryption, hosting, audits, and migration.
What “control” means in a password manager
Control is not one feature. It can mean being able to inspect client code, choosing who operates the service, deciding where vault data is stored, or moving your information elsewhere. Open source speaks to code visibility; self-hosting speaks to who runs the service and where it runs. Neither removes the need to protect account credentials, keep backups, and verify a migration.
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Bitwarden says its codebase is open source, undergoes annual source-code audits and penetration tests, and can be self-hosted by customers who want more control over where information is stored. These are statements from the company, not an independent assessment of the product’s security. Self-hosting is optional: using Bitwarden does not require running your own server. Bitwarden’s security FAQs
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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteProton Pass says its apps are open source and independently audited. It describes end-to-end encryption for usernames, website addresses, passwords, and other vault fields. Those are also vendor-described properties; open code and audit claims are useful inputs to an evaluation, not a guarantee that a product is secure in every configuration. Proton Pass security
#1 Best Overall
- ✅ PROTECT ONLINE ACCOUNTS – A password manager, two-factor security key, and secure communication token in one, OnlyKey can keep your accounts safe even if your computer or a website is compromised. OnlyKey is open source, verified, and trustworthy.
- ✅ UNIVERSALLY SUPPORTED – Works with all websites including Twitter, Facebook, GitHub, and Google. Onlykey supports multiple methods of two-factor authentication including FIDO2 / U2F, Yubico OTP, TOTP, Challenge-response.
- ✅ PORTABLE PROTECTION – Extremely durable, waterproof, and tamper resistant design allows you to take your OnlyKey with you everywhere.
- ✅ PIN PROTECTION – Locking your device means that if this device is stolen, data remains secure, after 10 failed attempts to unlock all data is securely erased.
- ✅ EASY LOG IN – No need to remember multiple passwords because by plugging OnlyKey to your computer, it automatically inputs your username and password. It works with Windows, Mac OS, Linux, or Chromebook, just press a button to login securely!
How 1Password’s security model compares
Switching to an open-source alternative should not be framed as moving from an unencrypted manager. 1Password says it uses end-to-end encryption and AES-GCM-256, with a 128-bit Secret Key combined with the account password. Its documentation also describes protections such as Watchtower alerts and clipboard management. The company’s security-model page states: “Your password is never shared with anyone, even us at AgileBits, which means that you’re the only person who can unlock your 1Password vaults and access your information.” 1Password security model
The practical distinction is therefore not simply “secure” versus “insecure.” It is whether you value source visibility, a documented self-hosting option, or a particular vendor’s security design and features—and whether you are prepared to take responsibility for any infrastructure you choose to operate.
Rank #2
- USB-C or tap via NFC for easy authentication on any compatible device. No drivers needed; optional Kensington software available for advanced management features.
- Works across Windows, macOS, iOS, Android, ChromeOS, and supports Passkeys and Apple ID.
- Slim, keychain-ready form for easy carry and on-the-go authentication
- IP68-rated for dependable performance
- FIDO CTAP 2.1 for enhanced security features (e.g. resident credentials, Passkey support) and backwards compatibility with CTAP 2. FIDO2 L2 certified security for phishing resistant protection against identity theft and unauthorized access.
Bitwarden and Proton Pass: the differences established by their documentation
| Question | Bitwarden | Proton Pass |
|---|---|---|
| Open-source claim | Bitwarden describes its codebase as open source. Source | Proton says its apps are open source. Source |
| Audits and testing | Bitwarden says it undergoes annual source-code audits and penetration tests. Source | Proton says its apps are independently audited. The cited page does not establish a comparable annual schedule. Source |
| Hosting choice | Bitwarden documents self-hosting as an option for customers seeking more control over where information is stored. Source | The cited Proton Pass pages do not establish a self-hosting option. Source |
| Encryption description | The cited security FAQs support the open-source, testing, and self-hosting claims above; they are not a neutral comparative evaluation. Source | Proton describes end-to-end encryption for usernames, website addresses, passwords, and other vault fields. Source |
| Migration evidence | The cited material establishes self-hosting availability, not a specific import workflow or import fidelity. | Proton documents importing from an existing manager or a generic CSV export. The cited instructions do not promise perfect transfer of every item type or attachment. Source |
| Free-plan details | Not stated in the cited security source. | Proton’s product page describes a free tier with unlimited logins, notes, and devices, 10 hide-my-email aliases, and weak- and reused-password alerts. It lists integrated 2FA and secure sharing among paid features; check the current plan page for availability. Source |
The cited pages do not provide a neutral, hands-on comparison of browser and mobile clients, autofill, passkeys, family sharing, or item-by-item feature parity. Those details can vary by app, platform, and plan, so check each provider’s current documentation against the features you actually use before switching.
How to move a vault to Proton Pass
Proton’s documented route is to export from the existing manager—often as a CSV file—then use Proton Pass’s import flow to select the previous manager or a generic CSV. The steps below reflect that broad workflow; exact labels may depend on the app version. Proton Pass import instructions
Rank #3
- FIDO2 & Passkey Ready: Business-ready and FIDO2 L1 certified. This key is supported by major management suites and is ideal for both individual and enterprise deployment. Works seamlessly with Gmail, Facebook, GitHub, Dropbox, Coinbase, and more.
- Universal Connectivity (USB-A ): Features a built-in USB-A connector—simply unfold the key and plug it into your compatible PC or laptop for seamless authentication on the go.
- Dedicated Manager App: Use the Thetis Manager App for the initial hardware PIN setup. Setting the PIN on the device first ensures a smooth registration process. Once the PIN is configured, you can begin registering the key across your favorite FIDO2-compatible online services.
- Ultra-Durable & Portable: Featuring a rotating metal cover, this key is water, crush, and tamper-resistant. It fits easily on a keychain and requires no batteries or network connectivity.
- Check FIDO2 compatibility before purchase - Known limitations: ID Austria is not supported (requires FIDO2 Level 2). Windows Hello login only works with Windows Enterprise editions that support Entra ID, and NFC is NOT supported.
- Prepare the destination. Create or sign in to your Proton account and open Proton Pass. Confirm that the destination account is the one you intend to use.
- Export from the old manager. In 1Password, use its export function and select a format Proton Pass supports, typically CSV. Follow 1Password’s current instructions for the exact app and platform you use.
- Protect the export file. Unless the export format is explicitly encrypted, treat it as readable plaintext: keep it somewhere private, avoid shared folders, and do not leave it in downloads or on a shared computer.
- Import into Proton Pass. In Proton Pass, choose the import option, select 1Password if offered, or choose generic CSV, then provide the export file.
- Verify before removing anything. Check that important logins, notes, and other items arrived correctly. The cited instructions do not promise that every item type or attachment transfers perfectly.
- Remove the temporary export after checking. Delete the plaintext file when you no longer need it, including from locations where your device retains deleted files if practical. Keep the old vault until you have confirmed that the destination contains what you need.
What self-hosting changes—and what it asks of you
Self-hosting changes who operates the service and gives you a choice about where it runs. It also makes availability, maintenance, and recovery more dependent on your own setup. Bitwarden’s cited security page establishes that self-hosting is available; it does not supply a complete deployment or disaster-recovery procedure. Do not treat the option as a turnkey guarantee of control or safety: understand how your chosen deployment handles updates, backups, and access recovery before relying on it for your only copy of critical credentials.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Who should consider switching
- Consider an open-source option if code visibility matters to you and you are willing to evaluate vendor security statements as claims rather than guarantees.
- Consider Bitwarden’s self-hosting option if control over hosting and data location is a priority and you can take responsibility for operating the service.
- Consider Proton Pass if its documented import flow, stated encryption model, and current plan features fit your needs; confirm any paid feature you rely on before migrating.
- Stay with 1Password if its security model and features suit you. Choosing not to switch is not the same as accepting an unencrypted service.
Whichever option you choose, export and migration are separate from security: a migration file can expose credentials if mishandled, while an import that appears to finish may not include every item. Verify the destination before retiring the source.
Quick Recap
Rank #4
- Ultra-Compact FIDO2 Security Key - Plug-and-stay or carry on a keychain. This USB-A hardware security key offers portable, always-on protection for desktop and mobile use. (Item Size: 0.75 X 0.74 IN x 0.25 IN)
- USB-A Hardware Key for All Devices - Works with USB-A ports on PC, Mac, Android, and other laptop/notebook device. Enables secure, cross-platform login with FIDO2.0 passkey support.
- FIDO Certified Security Key - Meets FIDO and FIDO2 standards. Works with Google, Microsoft, GitHub, Dropbox, and more. Please check service compatibility before purchase.
- Passwordless Login with Passkey - Supports passkey login via WebAuthn and CTAP2. Enjoy password-free sign-ins where supported. Not all websites or services currently support passkeys.
- Advanced Multi-Factor Authentication - Offers 200 FIDO2 passkey slots and 50 OATH-TOTP slots. Strong, flexible 2FA/MFA support across various apps and authentication platforms.
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