Logto

Logto is the open-source auth alternative to Auth0, Cognito, and Firebase Auth. It offers a complete identity solution with pre-built UI, modern protocols for authentication and authorization (OIDC/OAuth 2.0/SAML), and enterprise-grade security. Perfect for multi-device apps, SaaS products, and API services.

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Why Logto?

Logto provides frontend-to-backend identity solutions for developers and enterprise with:

• Logto Console: A web-based interface for configuring and manage resources, offering a quick setup for sign-in experience and easy identity-management.
• End-user experience: Beautiful, out-of-the-box, complete authentication flows with full customization.
• Logto APIs: Logto’s backend offers a suit of APIs to facilitate various AuthN and AuthZ functionalities.
• SDKs: SDKs for 30+ frameworks, Machine-to-machine and CLI tools.
• Enterprise-grade security: MFA, SSO, RBAC, multi-tenancy isolation, and audit logs.

Key features

Authentication	Authorization	Identity management
Email/SMS passwordless	API protection	Identity federation (Omni sign-in for multiple apps)
Social sign-in (OIDC/OAuth 2.0)	User role-based access control	Multi-tenancy management (Invitation/JIT/Org-level MFA)
Enterprise SSO (SAML/OIDC)	M2M role-based access control	User management (Profile/Invitation/Migration)
MFA (TOTP/Passkey/Backup)	Organization templates	User Impersonation
Personal access token	JWT / Opaque toke validation	Audit Logs
OAuth consent screen	Custom token claims	Webhooks

UI toolkit: Prebuilt auth flows • Custom UI • Dark mode • i18n • Custom domain

🗺️ View all features→

Get started in 60s

Start building with Logto in minutes:

• GitPod: Launch Logto on GitPod. Wait for the message App is running at https://3002-...gitpod.io , then click the URL starting with https://3002- to continue.

• Local development:

  # Using Docker Compose(requires Docker Desktop)
  curl -fsSL https://raw.githubusercontent.com/logto-io/logto/HEAD/docker-compose.yml | \
  docker compose -p logto -f - up
  
  # Using Node.js (requires PostgreSQL)
  npm init @logto

• Logto Cloud: No deployment required! Get started with Logto Cloud.

📚 Full installation guide →

Integration ecosystem

Powered by industry-standard protocols (OIDC, OAuth, SAML), Logto empowers secure integration across your services, third-party platforms, and identity providers.

Unlimited application integration:

• SDKs and guides: Android, Angular, React, Next.js, Flutter, Go, Python, Vue, and 30+ more.
• Custom integration: Traditional web, SPAs, Native apps, M2M apps, OAuth third-party apps, and SAML apps.

📚 Explore quick starts →

Universal identity provider (IdP) connection:

• Social sign-in: Google, Facebook, Apple, Microsoft, GitHub, Line, and more. Fully customizable via OIDC/OAuth 2.0.
• Enterprise Single Sign-On: Azure AD, Google Workspace, Okta, and more. Fully customizable via OIDC/SAML.

📚 Explore all connectors →

Showcase

Developer-friendly SDKs: Install in minutes with step-by-step guides.

User-friendly auth flows: Sign-up, sign-in, Social sign-in, Google one-tap, SSO, MFA, etc.

Multi-tenancy architecture: organization RBAC, member invitations, just-in-time provision, etc.

Support Logto

If you find Logto helpful, here's how you can support us:

• ⭐ Star this repo to show your support!
• 💬 Join our Discord for live discussions.
• 📢 Share Logto on Twitter, LinkedIn, Reddit, Telegram, WhatsApp.
• 🏆 Write a review or tutorial on Dev.to, Medium, G2 or your blog.
• 💬 Share your use case with us and get featured on the Logto website.
• 🙋 Open an issue to report bugs or suggest features.
• 💻 Contribute to Logto - we'd love your help! Check out Logto awesome of community-contributed resources.

Licensing

MPL-2.0.

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