# Logto

> Modern authentication infrastructure for developers supporting OIDC, OAuth 2.1, enterprise SSO, multi-tenancy, and role-based access control.

- Website: https://logto.io/?ref=devshelf.io
- DevShelf page: https://devshelf.io/resource/logto
- Pricing: Freemium, Pay-as-you-go
- Tags: Open Source, Self-hosted
- Categories: [Authentication & Identity](https://devshelf.io/category/authentication-identity.md)
- Last checked: 2026-11-03

## About

Logto provides comprehensive authentication and authorization infrastructure designed for modern web applications, APIs, and AI systems. It implements core protocols including OIDC, OAuth 2.1, and SAML, offering ready-to-use solutions for passwordless login, social sign-in, multi-factor authentication, enterprise SSO, and multi-tenancy. Built as an open-source solution with self-hosting capabilities, it features SDKs for multiple frameworks and a management API.

## Alternatives

- [Auth0](https://devshelf.io/resource/auth0.md): Flexible and secure authentication and authorization platform for web, mobile, and AI agent applications. (pricing: Freemium)
- [Ory](https://devshelf.io/resource/ory.md): Open-source and managed identity and access management platform for customer, B2B, and AI agent authentication and authorization. (pricing: not verified)
- [SuperTokens](https://devshelf.io/resource/supertokens.md): Open-source user authentication and session management framework offering prebuilt UI, modular plugins, and support for over 25 web frameworks. (pricing: not verified)

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