zetxtech/logto

Logto is an open-source authentication and authorization infrastructure designed for SaaS and AI applications, providing modern auth solutions with multi-tenancy, enterprise SSO, and RBAC capabilities. It simplifies OIDC and OAuth 2.1 implementation while supporting 30+ frameworks, SAML, and Model Context Protocol for agent-based architectures. This project targets development teams building scalable SaaS platforms, AI applications, or agent-based systems who need secure, production-ready authentication without the complexity of traditional auth solutions.