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Home/Categories/Security & Monitoring/Logto
icon of Logto

Logto

Open source alternative to Auth0, Okta and WorkOS

  • 14.7K stars
  • MPL-2.0
  • Active this week
  • Last commit 1 day ago

Last verified Oct 20, 2026

An open-source auth infrastructure designed for developers, offering features like multi-tenancy, enterprise SSO, and RBAC for SaaS and AI apps.

Visit websiteGitHub14.7K stars1-click deploy on Hostinger
image of Logto
TL;DR

Logto is a customer identity and access management platform for SaaS teams that need sign-in, organizations, and developer-friendly auth without Auth0 lock-in. It replaces hosted identity platforms when teams want MPL-2.0 source access, self-hosting, and modern OIDC/OAuth flows.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs and the FAQ
who it's for

Who Logto is for#

B2B SaaS teams building customer auth

Logto fits teams that need organizations, app sign-in, and standards-based auth without starting from scratch.

Skip if:

Skip it if your main need is employee device management and workforce identity governance.

Teams reducing Auth0 dependency

Self-hosting and source access give teams a path away from per-user hosted identity lock-in.

Skip if:

Use a managed provider if your team cannot operate authentication infrastructure safely.

the problem

The problem it solves#

Authentication starts as a login box, then quickly becomes organizations, roles, social sign-in, machine-to-machine access, audit needs, and pricing tied to active users. Hosted identity platforms are strong, but they can become expensive and hard to leave once every app depends on them.

SaaS teams need standards-based auth that developers can reason about, with a deployment path that does not force all customer identity data into one vendor account.

how Logto solves it

How it solves it#

OIDC and OAuth foundation

Logto builds on standard identity protocols, which helps teams integrate web apps, APIs, and third-party clients without inventing custom auth.

Organizations and multi-tenancy

Logto supports organization-oriented customer identity patterns, making it relevant for B2B SaaS rather than only consumer login.

Cloud and self-hosted options

Teams can use the hosted product or run Logto themselves, giving a migration path as security, cost, or data-boundary needs change.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Developer-centered CIAMLogto focuses on product authentication flows that SaaS developers need, including sign-in, tenants, and app integration, rather than only workforce identity.
  • MPL-2.0 source accessThe MPL-2.0 license provides a clearer open-source base than fully closed identity providers while still allowing commercial use under license terms.

Trade-offs

  • -Auth operations are sensitiveSelf-hosting identity means your team owns patches, secrets, uptime, backups, and incident response for login infrastructure.
  • -May not replace workforce IAMLogto is a strong customer identity fit. Companies looking for deep workforce identity governance may still need Okta or a dedicated IAM suite.
tech stack · detected from GitHub

What it's built on#

Languages
TypeScript
Frameworks
React
Databases
PostgreSQL
Infrastructure
OAuth 2.0
frequently asked

FAQ#

Is Logto self-hosted?

Yes. Logto supports self-hosting and also offers a hosted cloud product.

What license does Logto use?

Logto is MPL-2.0 licensed.

Is Logto an Auth0 alternative?

Yes, especially for SaaS teams that need customer identity features and want an open-source deployment path.

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Hostinger

Run Logto on your own server

Hostinger sets Logto up as a one-click app on a VPS.

Deploy on Hostinger

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