# Logto | Knowledge Base | Instagit

Modern auth infrastructure for developers.

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## Repositories

### [logto](/logto-io/logto)

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

- 96 articles | 13k stars
- Tags: how-to-guide, api-reference, qa, getting-started, deep-dive, best-practices, migration-guide, benefits, internals, sdk-guide, architecture, use-cases