Logto

Logto is an open-source authentication platform designed specifically for modern SaaS and AI applications. It simplifies the implementation of complex authentication protocols while providing enterprise-grade features like multi-tenancy and SSO.

Key Features

• Authentication Methods:

  • Username/password authentication
  • Social login providers
  • Enterprise SSO
  • Passwordless authentication
  • Multi-factor authentication
  • Google One Tap
  • OIDC/OAuth 2.1
  • SAML support

• Multi-Tenancy Features:

  • Organization management
  • Role-based access control
  • Member invitations
  • Just-in-time provisioning
  • Custom branding
  • Team management

• Developer Tools:

  • SDKs for 30+ frameworks
  • RESTful APIs
  • Customizable UI components
  • Extensive documentation
  • Multiple deployment options
  • Docker support

• Integration Capabilities:

  • Identity provider connections
  • API authentication
  • Machine-to-machine auth
  • CLI tool support
  • Model Context Protocol
  • Agent-based architectures

Who Should Use Logto

Logto is ideal for:

• SaaS applications requiring multi-tenancy
• AI platforms and agent-based systems
• Teams needing enterprise SSO capabilities
• Projects requiring modern auth infrastructure
• Applications with complex RBAC needs
• Both cloud and self-hosted deployments

Installation Requirements

• PostgreSQL database
• Node.js runtime
• Docker (optional)
• Reverse proxy (recommended)
• TLS certificates