Best Open Source Password Managers in 2026

1Password costs $3-8/user/month. LastPass starts at $4/user/month. Here are the best open source password managers.

Quick Comparison

Tool	Best For	License	Stars	Self-Host
Bitwarden	Best overall	AGPL-3.0	16K+	Docker (heavy)
Vaultwarden	Self-hosted Bitwarden	GPL-3.0	39K+	Docker (light)
KeePass/KeePassXC	Local-only	GPL-2.0	20K+	Desktop
Passbolt	Team/enterprise	AGPL-3.0	4.5K+	Docker
Padloc	Modern UI	AGPL-3.0	2.7K+	Docker

Key Differences

Vaultwarden — Best Self-Hosted

• Bitwarden-compatible server (all clients work)
• All premium features free
• 50 MB RAM (vs 2+ GB for official Bitwarden)
• Organizations (team sharing)
• TOTP, WebAuthn, YubiKey
• Single Docker container

KeePassXC — Best Offline

• Local database file (no server needed)
• AES-256 + Argon2 encryption
• Browser integration
• TOTP support
• SSH agent
• Sync via any cloud service (file-based)

Passbolt — Best for Teams

• Team-first design
• GPG encryption
• Folder sharing
• API access
• LDAP/AD integration
• Audit logs
• Browser extensions

Choosing the Right Tool

Need	Choose
Self-hosted with mobile apps	Vaultwarden
Offline/local only	KeePassXC
Enterprise teams	Passbolt
Cloud-hosted	Bitwarden (cloud)
Modern UI	Padloc

Cost Savings

Team Size	1Password Teams	Self-Hosted Vaultwarden	Annual Savings
10 users	$480/year	$54/year (VPS)	$426
50 users	$2,400/year	$54/year	$2,346

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Compare all password managers on OSSAlt — encryption, features, and pricing side by side.