Logto¹ is an Auth0 alternative designed for modern apps and SaaS products. It offers a seamless developer experience and is well-suited for individuals and growing companies.

🧑‍💻 Comprehensive frontend-to-backend identity solution

• Enables OIDC-based authentication with Logto SDKs.
• Supports passwordless sign-in, along with various options like email, phone number, username, Google, Facebook, and other social sign-in methods.
• Offers beautiful UI components with customizable CSS to suit your business needs.
• Has an open community with many warm-hearted contributors and users. Check out our awesome list of community-contributed resources.

📦 Out-of-the-box infrastructure

• Includes a ready-to-use Management API, serving as your authentication provider, thus eliminating the need for extra implementation.
• Provides SDKs that seamlessly integrate your apps with Logto across multiple platforms and languages, tailored to your development environment.
• Offers flexible connectors that can be scaled with community contributions and customized with SAML, OAuth, and OIDC protocols.

💻 Enterprise-ready solutions

• Implements role-based access control (RBAC) for scalable role authorization, catering to a wide range of use cases.
• Facilitates user management and provides audit logs for understanding identity-related user information and maintaining security.
• Enables single sign-on (SSO) and multi-factor authentication (MFA) without extra coding.
• Leverages Logto organizations to build multi-tenancy apps with ease.

In a more approachable way, we refer to this solution as "Customer Identity Access Management (CIAM)" or simply, the "Customer Identity Solution."

Important

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Get started

• Visit our 🎨 website for a brief introduction if you are new to Logto.
• A step-by-step guide is available on 📖 docs.logto.io.

Interactive demo

• Try Logto Cloud to have the same dev experience and zero deployment overhead.

• If you launch Logto via GitPod, please wait until you see the message like App is running at https://3002-...gitpod.io in the terminal, press Cmd (or Ctrl on Windows) and click the URL starts with https://3002- to continue your Logto journey.

Launch Logto

Docker Compose

Docker Compose CLI usually comes with Docker Desktop.

curl -fsSL https://raw.githubusercontent.com/logto-io/logto/HEAD/docker-compose.yml | \
docker compose -p logto -f - up

npm-init

Requires Node.js ^20.9.0 + PostgreSQL ^14.0.

npm init @logto

Language support

const languages = ['Deutsch', 'English', 'Español', 'Français', 'Italiano', '日本語', '한국어', 'Polski', 'Português', 'Русский', 'Türkçe', '简体中文', '繁體中文'];

Web compatibility

Logto uses the default browserslist config to compile frontend projects, which is:

> 0.5%, last 2 versions, Firefox ESR, not dead

Bug report, feature request, feedback

• Our team takes security seriously, especially when it relates to identity. If you find any existing or potential security issues, please do not hesitate to email 🔒 security@logto.io.
• About other bug reports, feature requests, and feedback, you can:
  • Directly 🙋 open an issue on GitHub;
  • 💬 Join our Discord server to have a live chat.

Licensing

MPL-2.0.

Contributing

We have a contributing guideline available. Feel free to contact us before coding.

Resources

• 📖 Logto docs
• ✍️ Blog

Footnotes

1. Designed by Silverhand Inc. ↩