Best Free & Open Source Alternatives to 1Password
Looking for a free or self-hosted alternative to 1Password? Below you'll find the best open source options — community-driven tools that let you own your data without vendor lock-in or recurring subscription costs.
1Password
1Password is a password manager that helps individuals and teams securely store and manage passwords, credit card details, software licenses, and other sensitive information.
Key Features
🔐 Encrypted Vaults
All data is stored in end-to-end encrypted vaults, accessible with a single master password.🔄 Cross-Platform Sync
Available on macOS, Windows, iOS, Android, and major browsers, syncing securely across devices.🔑 Password Generator
Creates strong, unique passwords to improve online security.🛡️ Watchtower
Alerts users about weak, reused, or compromised passwords and known data breaches.👨👩👧👦 Family and Business Plans
Supports shared vaults, team collaboration, and role-based access controls.
Security
1Password uses a zero-knowledge architecture, meaning even the company cannot access your stored data. All information is encrypted locally before syncing, ensuring privacy and security.
Bitwarden
Bitwarden infrastructure/backend (API, database, Docker, etc).
1Password
Passbolt
Passbolt Community Edition (CE) API. The JSON API for the open source password manager for teams!
1Password
AliasVault
AliasVault is an end-to-end encrypted password and (email) alias manager that protects your privacy by creating alternative identities, passwords and email addresses for every website you use.
1Password
Vaultwarden
Lightweight, self-hosted Bitwarden-compatible server written in Rust — runs on minimal hardware with full client support.
Bitwarden 1Password
1Password
1Password is a password manager that helps individuals and teams securely store and manage passwords, credit card details, software licenses, and other sensitive information.
Key Features
🔐 Encrypted Vaults
All data is stored in end-to-end encrypted vaults, accessible with a single master password.🔄 Cross-Platform Sync
Available on macOS, Windows, iOS, Android, and major browsers, syncing securely across devices.🔑 Password Generator
Creates strong, unique passwords to improve online security.🛡️ Watchtower
Alerts users about weak, reused, or compromised passwords and known data breaches.👨👩👧👦 Family and Business Plans
Supports shared vaults, team collaboration, and role-based access controls.
Security
1Password uses a zero-knowledge architecture, meaning even the company cannot access your stored data. All information is encrypted locally before syncing, ensuring privacy and security.