# 8 Best Open Source Alternatives for Proton Pass

Canonical: https://caniforkit.com/proton-pass
Last updated: 2026-11-07

Looking for the best open source alternative for Proton Pass? Compare 8 verified free and open source alternatives to Proton Pass (Vaultwarden, KeePassXC, Bitwarden) with license details, self-hosting requirements, and practical trade-offs.

## Proton Pass Overview & Subscription Cost
- **Product**: Proton Pass
- **Category**: [security](https://caniforkit.com/category/security)
- **Paid Subscription Price**: $6/month per seat
- **1-Seat Annualized Cost**: $72/year
- **5-Person Team Annualized Cost**: $360/year
- **10-Person Team Annualized Cost**: $720/year
- **Can I Vibe-Code / Rebuild It Myself?**: NO (use a free alternative, save the tokens)
- **Rebuild Verdict**: Instead of paying recurring SaaS fees for Proton Pass or rebuilding it from scratch, deploy one of the 8 battle-tested open-source alternatives like Vaultwarden.

## Verified Free & Open Source Alternatives

| Alternative | Type | License | Runs On | GitHub Stars | Head-to-Head |
| --- | --- | --- | --- | --- | --- |
| [Vaultwarden](https://caniforkit.com/fork/vaultwarden) | Open Source | AGPL-3.0 | Self-host | ★ 70.4k | [Compare vs Proton Pass](https://caniforkit.com/vs/proton-pass-vs-vaultwarden) |
| [KeePassXC](https://caniforkit.com/fork/keepassxc) | Open Source | GPL-2.0+ | Self-host | ★ 29.8k | [Compare vs Proton Pass](https://caniforkit.com/vs/proton-pass-vs-keepassxc) |
| [Bitwarden](https://caniforkit.com/fork/bitwarden) | Open Source | Open Source | Self-host | ★ 20.6k | [Compare vs Proton Pass](https://caniforkit.com/vs/proton-pass-vs-bitwarden) |
| [Passbolt](https://caniforkit.com/fork/passbolt) | Open Source | Open Source | Self-host | ★ 6.2k | [Compare vs Proton Pass](https://caniforkit.com/vs/proton-pass-vs-passbolt) |
| [Padloc](https://caniforkit.com/fork/padloc) | Open Source | Open Source | Local | ★ 2.9k | [Compare vs Proton Pass](https://caniforkit.com/vs/proton-pass-vs-padloc) |
| [TeamPass](https://caniforkit.com/fork/teampass) | Open Source | Open Source | Self-host | ★ 1.9k | [Compare vs Proton Pass](https://caniforkit.com/vs/proton-pass-vs-teampass) |
| [PearPass](https://caniforkit.com/fork/pearpass) | Open Source | Open Source | Local | ★ 543 | [Compare vs Proton Pass](https://caniforkit.com/vs/proton-pass-vs-pearpass) |
| [Psono](https://caniforkit.com/fork/psono) | Open Source | Open Source | Self-host | ★ 104 | [Compare vs Proton Pass](https://caniforkit.com/vs/proton-pass-vs-psono) |

## In-Depth Alternative Profiles

### Vaultwarden
- **Fork Page**: [Vaultwarden Profile](https://caniforkit.com/fork/vaultwarden)
- **Head-to-Head Comparison**: [Proton Pass vs Vaultwarden](https://caniforkit.com/vs/proton-pass-vs-vaultwarden)
- **Official Website**: https://github.com/dani-garcia/vaultwarden
- **Source Code Repository**: https://github.com/dani-garcia/vaultwarden
- **License**: AGPL-3.0
- **Runs On**: Self-host
- **GitHub Stars**: 70.4k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: desktop, mobile, web, self-hosted, extension, docker to self-host
- **Summary**: Unofficial Bitwarden-compatible server written in Rust, built for self-hosting on low-resource hardware without sacrificing client compatibility.
- **The Catch vs Proton Pass**: It is unofficial and may lag Bitwarden's proprietary or enterprise features, while support, backups and uptime move to you.
- **Installation**: Docker or Podman container with a persistent /data volume and a reverse proxy for HTTPS
- **Setup**: Docker, a domain and HTTPS reverse proxy are the easy part; backups, upgrades and outages become the user's responsibility
- **Data Storage**: Client-encrypted Bitwarden-compatible vault data stored in SQLite by default, or MySQL/PostgreSQL, with attachments and configuration in the persistent volume

### KeePassXC
- **Fork Page**: [KeePassXC Profile](https://caniforkit.com/fork/keepassxc)
- **Head-to-Head Comparison**: [Proton Pass vs KeePassXC](https://caniforkit.com/vs/proton-pass-vs-keepassxc)
- **Official Website**: https://keepassxc.org
- **Source Code Repository**: https://github.com/keepassxreboot/keepassxc
- **License**: GPL-2.0+
- **Runs On**: Self-host
- **GitHub Stars**: 29.8k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: desktop, extension, one-click install
- **Summary**: KeePassXC is an open-source password manager that securely stores and manages sensitive information across Windows, macOS, and Linux.
- **The Catch vs Proton Pass**: It trades Bitwarden's built-in sync, sharing and account recovery for a single vault file that you must synchronize and back up safely yourself.
- **Installation**: Native Windows, macOS and Linux package
- **Setup**: There is no built-in sync, sharing or recovery, so the user must choose a sync method and manage conflicts and backups
- **Data Storage**: One encrypted KDBX database file on disk; syncing means placing that file in a separate cloud or shared-folder service

### Bitwarden
- **Fork Page**: [Bitwarden Profile](https://caniforkit.com/fork/bitwarden)
- **Head-to-Head Comparison**: [Proton Pass vs Bitwarden](https://caniforkit.com/vs/proton-pass-vs-bitwarden)
- **Official Website**: https://bitwarden.com
- **Source Code Repository**: https://github.com/bitwarden/server
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 20.6k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Bitwarden is an open source password manager that securely stores, shares, and autofills passwords across unlimited devices.
- **The Catch vs Proton Pass**: Requires self-hosting setup, updates, and server maintenance compared to managed 1Password.
- **Installation**: Clone https://github.com/bitwarden/server or deploy with Docker Compose
- **Setup**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **Data Storage**: All application data and configuration live on your own server or local database.

### Passbolt
- **Fork Page**: [Passbolt Profile](https://caniforkit.com/fork/passbolt)
- **Head-to-Head Comparison**: [Proton Pass vs Passbolt](https://caniforkit.com/vs/proton-pass-vs-passbolt)
- **Official Website**: https://passbolt.com
- **Source Code Repository**: https://github.com/passbolt/passbolt_api
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 6.2k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Open source password manager focused on security, collaboration and privacy for organizations
- **The Catch vs Proton Pass**: Requires self-hosting setup, updates, and server maintenance compared to managed Proton Pass.
- **Installation**: Clone https://github.com/passbolt/passbolt_api or deploy with Docker Compose
- **Setup**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **Data Storage**: All application data and configuration live on your own server or local database.

### Padloc
- **Fork Page**: [Padloc Profile](https://caniforkit.com/fork/padloc)
- **Head-to-Head Comparison**: [Proton Pass vs Padloc](https://caniforkit.com/vs/proton-pass-vs-padloc)
- **Official Website**: https://padloc.app
- **Source Code Repository**: https://github.com/padloc/padloc
- **License**: Open Source
- **Runs On**: Local
- **GitHub Stars**: 2.9k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: desktop, cross-platform, one-click install
- **Summary**: Open-source password manager with end-to-end encryption for passwords, credit cards, notes, and documents. Cross-platform sync with secure sharing capabilities.
- **The Catch vs Proton Pass**: Community-driven open source project without dedicated enterprise SLAs.
- **Installation**: Clone https://github.com/padloc/padloc or deploy with Docker Compose
- **Setup**: Download the native package or installer for your operating system.
- **Data Storage**: All application data lives locally on your own machine.

### TeamPass
- **Fork Page**: [TeamPass Profile](https://caniforkit.com/fork/teampass)
- **Head-to-Head Comparison**: [Proton Pass vs TeamPass](https://caniforkit.com/vs/proton-pass-vs-teampass)
- **Official Website**: https://www.teampass.net/
- **Source Code Repository**: https://github.com/nilsteampassnet/TeamPass
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 1.9k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Collaborative password manager with folder-level access control, AES-256-GCM encryption, governance tools, and Linux password rotation, runs on your own servers.
- **The Catch vs Proton Pass**: Requires self-hosting setup, updates, and server maintenance compared to managed Proton Pass.
- **Installation**: Clone https://github.com/nilsteampassnet/TeamPass or deploy with Docker Compose
- **Setup**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **Data Storage**: All application data and configuration live on your own server or local database.

### PearPass
- **Fork Page**: [PearPass Profile](https://caniforkit.com/fork/pearpass)
- **Head-to-Head Comparison**: [Proton Pass vs PearPass](https://caniforkit.com/vs/proton-pass-vs-pearpass)
- **Official Website**: https://pass.pears.com
- **Source Code Repository**: https://github.com/tetherto/pearpass-app-desktop
- **License**: Open Source
- **Runs On**: Local
- **GitHub Stars**: 543
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: desktop, cross-platform, one-click install
- **Summary**: Open-source password manager with peer-to-peer syncing, local storage, and end-to-end encryption. No cloud servers, complete privacy control across devices.
- **The Catch vs Proton Pass**: Community-driven open source project without dedicated enterprise SLAs.
- **Installation**: Clone https://github.com/tetherto/pearpass-app-desktop or deploy with Docker Compose
- **Setup**: Download the native package or installer for your operating system.
- **Data Storage**: All application data lives locally on your own machine.

### Psono
- **Fork Page**: [Psono Profile](https://caniforkit.com/fork/psono)
- **Head-to-Head Comparison**: [Proton Pass vs Psono](https://caniforkit.com/vs/proton-pass-vs-psono)
- **Official Website**: https://psono.com
- **Source Code Repository**: https://gitlab.com/esaqa/psono/psono-server
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 104
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Team-focused password manager with client-side encryption, SAML, LDAP, audit logs, and compliance policies. Self-host on your own servers or use as SaaS.
- **The Catch vs Proton Pass**: Requires self-hosting setup, updates, and server maintenance compared to managed Proton Pass.
- **Installation**: Clone https://gitlab.com/esaqa/psono/psono-server or deploy with Docker Compose
- **Setup**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **Data Storage**: All application data and configuration live on your own server or local database.

## Frequently Asked Questions

### What is the best free alternative to Proton Pass?
The top free alternative to Proton Pass is Vaultwarden (open source, AGPL-3.0). Unofficial Bitwarden-compatible server written in Rust, built for self-hosting on low-resource hardware without sacrificing client compatibility. Other popular Proton Pass replacements include KeePassXC, Bitwarden, Passbolt.

### How much does switching from Proton Pass to a free alternative save?
Proton Pass starts at $6/month per seat ($72/year). Switching a 5-person team to a free alternative like Vaultwarden saves $360 per year in software subscription fees.

### What is the catch when switching away from Proton Pass?
While Vaultwarden replaces core Proton Pass features without subscription fees, the real-world trade-off is: It is unofficial and may lag Bitwarden's proprietary or enterprise features, while support, backups and uptime move to you.

## Related

- [security Software Category Hub](https://caniforkit.com/category/security)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Self-Hosted Software Directory](https://caniforkit.com/self-hosted)
- [Homepage](https://caniforkit.com)