5 Best Open Source Proton Pass Alternatives
A curated collection of the 5 best open source and self-hosted alternatives to Proton Pass in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Proton Pass in 2026? The top open-source alternative is KeePassXC — Offline password manager with auto-fill.
Other highly rated open-source Proton Pass alternatives include Bitwarden, Passbolt and Padloc.
Offline password manager with auto-fill
KeePassXC is a modern, secure, and open-source password manager that stores and manages sensitive information like passwords, URLs, attachments, and notes in an offline, encrypted file. - Cross-platform support: Thoroughly tested on Windows, macOS, and Linux for seamless experience across all major operating systems - Offline encryption: All data remains encrypted at all times with no remote storage or cloud dependencies - Auto-fill functionality: Automatically fills credentials into favorite apps and browsers - Security certifications: Awarded ANSSI Security Visa (CSPN) by French National Cybersecurity Agency - Open source: Completely open-source under GPLv3 license with source code available on GitHub - Data portability: Stores data in encrypted files that can be stored anywhere, including private and public cloud solutions - Passkey support: Stores backup eligibility and state flags for modern authentication methods - Anti-DLL injection: Mitigations against malicious OpenSSL config files on Windows - Auto-Type placeholders: Supports {TIMEOTP} and other advanced auto-type features - Bitwarden import: Supports nested folders during Bitwarden database imports KeePassXC is a fully self-hosted application that runs entirely offline. The encrypted database file can be stored on any device or cloud storage solution of your choice. No internet connection is required for core functionality. The software is available as: - Native installers for Windows, macOS, and Linux - Package managers for most Linux distributions - Portable versions for easy deployment - Source code available on GitHub for custom builds The application prioritizes security through code reviews, testing, and has implemented policies to prevent AI-generated code from entering the codebase.
Open source password manager for teams and individuals
Bitwarden is the trusted, open source password manager for individuals, teams, and enterprises. It provides secure storage, sharing, and management of passwords, passkeys, and sensitive data with end-to-end encryption. - Secure Password Storage: Store passwords, passkeys, and secrets with AES-256 encryption - Cross-Platform Access: Available on web, desktop, mobile, and browser extensions - Team Collaboration: Share credentials securely with least-privilege access controls - Enterprise Security: SSO integration, centralized ownership, and access intelligence - Self-Hosting: Deploy on-premises or in private cloud environments - Secrets Management: Dedicated solution for developers and DevOps teams - Access Intelligence: Actionable insights into vault security and compliance - Open Source: Transparent codebase with regular security audits Bitwarden is built with .NET Core and supports self-hosting through Docker containers. The server component is available on GitHub for organizations requiring on-premises deployment. All data is encrypted client-side before reaching the server, ensuring maximum security regardless of hosting location.
Open source password manager for teams
Passbolt is an open source, end-to-end encrypted password manager designed for security-conscious IT teams and organizations of all sizes. It provides a sovereign, adaptable solution for credential management with granular sharing capabilities, ensuring productivity, traceability, and compliance. - End-to-End Encryption: All credentials are encrypted client-side using public-private key architecture for maximum security. - Granular Sharing: Share passwords securely with fine-grained permissions and audit trails. - Team Collaboration: Built for teams of 5 to 5000+, enabling safe credential sharing without silos. - Compliance Ready: SOC 2 Type II audited, GDPR compliant, and ANSSI CSPN certification in progress. - Self-Hosting: Deploy on-premises or use Passbolt Cloud for flexible deployment options. - Multi-Platform: Works across browsers, mobile apps, and integrates with existing workflows. - Audit Logs: Full visibility into credential access and changes with detailed audit trails. - FIDO Alliance Member: Supports modern authentication standards for enhanced security. Passbolt is open source and can be self-hosted on your own infrastructure. The software is built with PHP (CakePHP framework) and uses a MySQL/MariaDB database backend. Self-hosting options include Docker containers, bare-metal installations, or cloud deployments. The project provides comprehensive documentation for installation, configuration, and maintenance, making it suitable for enterprise environments requiring full data control.
Open source end-to-end encrypted password manager
Padloc is an open-source, end-to-end encrypted password manager designed to securely store sensitive data like passwords, credit cards, notes, documents, and more. - End-to-End Encryption: All data is encrypted before leaving your device, ensuring only you can access it. - Cross-Platform Support: Available on Windows, macOS, Linux, iOS, Android, and as browser extensions. - Secure Sharing: Share passwords and documents securely with family, coworkers, or teams. - Multi-Factor Authentication: Enhance security with built-in authenticator and MFA support. - Encrypted File Storage: Store and manage files securely with up to 1GB storage in premium plans. - Rich Text Notes: Create and organize notes with markdown support. - Security Reports: Monitor and improve your password security with automated reports. - Open Source & Audited: Transparently developed with independent security audits for trust. Padloc is open-source and can be self-hosted for complete control over your data. The project is built with modern web technologies and offers both cloud and self-hosted deployment options. For self-hosting, refer to the official documentation.
Open-source local-first password manager
PearPass is a local-first, open-source password manager designed for maximum privacy and security. Unlike traditional cloud-based managers, PearPass eliminates the single point of failure by storing all credentials exclusively on your devices and syncing them via secure peer-to-peer protocols. - Passkey Support: Stores digital keys locally on your hardware for complete control over credentials. - Import from Legacy Managers: Securely migrate passwords from 1Password, LastPass, Bitwarden, and others into your encrypted vault. - P2P Syncing: Devices form a private, encrypted network to keep your vault updated without relying on cloud infrastructure. - End-to-End Encryption: Uses cryptographic primitives from Libsodium to ensure your data remains private and secure. - Independently Audited: Underwent a comprehensive security audit by Secfault Security, confirming its commitment to open-source security standards. - Cross-Platform Compatibility: Available on iOS, Android, Windows, macOS, Linux, and major browsers. - No Cloud Dependency: Eliminates the risk of cloud leaks and metadata tracking by keeping all data local. - Transparent Security: 100% open-source code allows anyone to inspect, audit, and verify the software. PearPass is fully open-source and self-hostable. The desktop app must run locally to maintain the local-only architecture, ensuring total data consistency. The browser extension interacts directly with locally stored data for secure auto-fill functionality. All source code is available on GitHub.
About Proton Pass
Secure password manager with end-to-end encryption that stores, generates, and autofills passwords across all devices while protecting your digital identity.