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Developer ToolsAlternative to Firebase AuthAlternative to ClerkAlternative to Auth0

Logto

Open-source identity and access management infrastructure built on OIDC and OAuth 2.1 with multi-tenancy and RBAC.

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LicenseMPL-2.0
GitHub stars14.5k
Last commit1 weeks ago
Tags6 topics
SsoAuthenticationOauth2OidcRbacIdentity
Overview

Why consider Logto?

Logto is an open-source authentication and authorization solution providing OIDC, OAuth 2.1, multi-tenancy, and role-based access control. It delivers ready-to-use sign-in flows and management APIs for modern SaaS and AI applications.

Guided learning

Learn Logto by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

2 min read 4 sections
In this guide4 sections

Overview and Architecture

Logto provides modern authentication and authorization infrastructure for SaaS and AI applications built on OIDC and OAuth 2.1 standards. Developers can integrate centralized user management, token handling, and multi-tenant identity verification into web, mobile, and API services.

Logto adds multi-tenancy, enterprise SSO, and RBAC to SaaS and AI apps with OIDC and OAuth 2.1 protocols. Organizations can configure granular role permissions, social logins, passwordless verification flows, and third-party enterprise identity providers directly from the platform interface.

Infrastructure Prerequisites

The minimum recommended hardware requirements for hosting Logto are 2 vCPUs, 8 GiB of memory, and 256 GiB of disk space.

Logto assigns port 3001 for its core backend service and port 3002 for the interactive Admin Console by default.

Starting an Evaluation Instance

bash
1curl -fsSL https://raw.githubusercontent.com/logto-io/logto/HEAD/docker-compose.yml | docker compose -p logto -f - up

Once the containers initialize, browse to the Admin Console on port 3002 to complete onboarding and register your client applications.

Release Upgrades

Logto release v1.42.0 upgraded the underlying HTTP framework to Koa 3 to enhance long-term maintainability and security.

Logto is distributed under the Mozilla Public License Version 2.0.

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Logto FAQs

Logto is listed as a Developer Tools tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

Logto is listed under the MPL-2.0 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

Logto is listed as an alternative to Firebase Auth. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.