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Open Source Authentication & SSO Providers using SCSS

A curated collection of the best open source platforms providing authentication, Single Sign-On (SSO), and user management. using SCSS.

Secure, customizable identity infrastructure for developers
  • Stars

    15,391
  • Last commit

    2 hours 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

    14,750
  • Last commit

    5 hours 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:

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

    2,881
  • Last commit

    6 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: