Zero Password Manager v0.1.0 — First Stable Release

Dev.to / 3/13/2026

📰 NewsDeveloper Stack & InfrastructureTools & Practical Usage

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Key Points

Zero Password Manager v0.1.0 is the first stable release of the self-hosted password manager with a Flutter mobile client and a FastAPI backend.
It emphasizes user-owned data and infrastructure with security features like Uint8List data handling, JWT revocation, Passkey/WebAuthn, biometric login, and multiple security audits.
The mobile app provides a Flutter Android client with a secure vault, folders, biometric unlock, and passkey authentication, while the backend uses FastAPI and a self-hosted deployment.
The APK is available on GitHub Releases, and the project is open source with invitations for feedback and contributions.

Today I'm releasing the first stable version of Zero Password Manager — a self-hosted password manager with a Flutter mobile client and a FastAPI backend.

The goal of the project is simple: a secure password manager where the user owns their data and infrastructure.

🔐 Security
• Sensitive data handled as Uint8List (avoids immutable string leaks — OWASP recommendation)
• JWT revocation with token blacklist
• Passkey / WebAuthn authentication
• Biometric login support
• Multiple security audits and vulnerability fixes

📱 Mobile App
• Flutter Android client
• Secure password vault
• Password folders
• Biometric unlock
• Passkey authentication

⚙️ Backend
• FastAPI
• SOLID / KISS / DRY architecture
• Domain-based project structure
• Self-hosted deployment

📦 Release
APK available in GitHub Releases.

Open source. Feedback and contributions are welcome.

GitHub:
https://github.com/SoulNaturalist/zero_password_manager