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Logto is the modern, open-source auth infrastructure for SaaS and AI apps.

It takes the pain out of OIDC and OAuth 2.1 and makes it easy to build secure, production-ready auth with multi-tenancy, enterprise SSO, and RBAC.

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Built for teams scaling SaaS, AI, and agent-based platforms without the usual auth headaches.

With Logto, you get:

• Multi-tenancy, enterprise SSO, and RBAC: ready to use, no workarounds.
• Pre-built sign-in flows, customizable UIs, and SDKs for 30+ frameworks.
• Full support for OIDC, OAuth 2.1, and SAML without the protocol pain.
• Works out-of-the-box for Model Context Protocol and agent-based AI architectures.

🗺️ See all features →

Pick your path:

• Logto Cloud: The fastest way to try Logto. Fully managed, zero setup.

• Launch Logto in GitPod: Start Logto OSS in seconds.

  Wait for the messageApp is running at https://3002-...gitpod.io, then click the URL starting withhttps://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

📚 Full OSS installation guide →

Logto supports all your apps, APIs, and services with industry-standard protocols.

• SDKs for 30+ frameworks: React, Next.js, Angular, Vue, Flutter, Go, Python, and more.
• Connect to any IdP: Google, Facebook, Azure AD, Okta, and more.
• Flexible integration: SPAs, web apps, mobile apps, APIs, M2M, CLI tools.
• Ready for Model Context Protocol and agent-based architectures.

🚀 Explore quick starts →

🔌 See all connectors →

Developer-first SDKs: Install in minutes with clear guides.

User-friendly auth flows: Sign-up, sign-in, social login, Google One Tap, MFA, SSO.

Multi-tenancy & organizations: Organization RBAC, member invites, just-in-time provisioning, and more.

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 onTwitter,LinkedIn,Reddit,Telegram,WhatsApp.
• 🏆 Write a review or tutorial ondev.to,Medium,G2 or your blog.
• 💬Share your use case with us and get featured on theLogto website.
• 🙋Open an issue to report bugs or suggest features.
• 💻Contribute to Logto - we'd love your help! Check outLogto awesome of community-contributed resources.

MPL-2.0.

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