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Open Source Projects tagged "Authentication"

A curated collection of the best open source projects tagged "Authentication". Each listing includes a website screenshot along with a detailed review of its features.

Passkeys, SSO, and MFA without vendor lock-in
  • Stars

    9,067
  • Last commit

    2 days ago
  • License

    AGPL-3.0
Open source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in.

Open Source Alternative to:

Framework-agnostic authentication for TypeScript applications
  • Stars

    30,642
  • Last commit

    9 hours ago
  • License

    MIT
A comprehensive authentication framework offering email/password, social sign-on, two-factor auth, and multi-tenant support with full TypeScript integration.

Open Source Alternative to:

Open-source backend in a single file
  • Stars

    61,603
  • Last commit

    13 days ago
  • License

    MIT
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.

Open Source Alternative to:

Take control of your identity with a secure, flexible solution
  • Stars

    26,267
  • Last commit

    10 hours ago
  • License

    MIT
authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.

Open Source Alternative to:

Secure, customizable identity infrastructure for developers
  • Stars

    15,541
  • Last commit

    4 days ago
  • License

    AGPL-3.0
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.

Open Source Alternative to:

Secure, seamless authentication for modern applications
  • Stars

    14,853
  • Last commit

    1 day ago
  • License

    MPL-2.0
An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.

Open Source Alternative to:

Secure, customizable authentication for your applications
  • Stars

    15,344
  • Last commit

    2 days ago
  • License

    Unknown
Open-source authentication solution offering flexible, self-hosted user management with advanced features and easy integration.

Open Source Alternative to:

2FA token manager for Android with encrypted vault
  • Stars

    13,489
  • Last commit

    2 months ago
  • License

    GPL-3.0
Android app for managing two-factor authentication tokens with encrypted storage, biometric unlock, flexible backups, and import/export from major 2FA apps.

Open Source Alternative to:

Serverless backend platform for modern app development
  • Stars

    9,375
  • Last commit

    12 hours ago
  • License

    MIT
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.

Open Source Alternative to:

Modular auth, payments, emails, and analytics for your product
  • Stars

    6,886
  • Last commit

    2 days ago
  • License

    Unknown
Self-hostable platform combining user auth, payments, email, and analytics into modular building blocks that fit around your existing product.

Open Source Alternative to:

Self-hosted cloud platform with automated security
  • Stars

    6,195
  • Last commit

    18 days ago
  • License

    Unknown
Complete self-hosting solution with automated maintenance, Smart-Shield protection, anti-DDoS, SSO authentication, and VPN access for secure private cloud management.

Open Source Alternative to:

Secure, scalable API key management for developers
  • Stars

    5,483
  • Last commit

    17 hours ago
  • License

    AGPL-3.0
Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.

Open Source Alternative to:

Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities
  • Stars

    2,904
  • Last commit

    11 hours ago
  • License

    Unknown
Enterprise-grade open source VPN solution combining WireGuard with mandatory 2FA/MFA and integrated OpenID Connect SSO for secure remote access

Open Source Alternative to:

Managed identity and access management for any app
  • Stars

    2,146
  • Last commit

    2 days ago
  • License

    Apache-2.0
Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.

Open Source Alternative to:

Local-first 2FA authenticator and password manager
  • Stars

    1,570
  • Last commit

    8 days ago
  • License

    GPL-3.0
Open-source authenticator and password manager that stores 2FA tokens and passwords locally on your device, with zero-knowledge encryption and no account required.

Open Source Alternative to: