logto

Logto is an open-source authentication and authorization infrastructure aimed at SaaS and AI applications. According to its README, it is built on OIDC and OAuth 2.1 and is designed to simplify building secure, production-ready auth. Key capabilities described in the README: - Multi-tenancy, enterprise SSO, and RBAC are presented as ready to use. - Pre-built sign-in flows, customizable UIs, and SDKs for 30+ frameworks. - Support for OIDC, OAuth 2.1, and SAML. - Stated to work out-of-the-box for Model Context Protocol and agent-based AI architectures. Integration options mentioned include SDKs for frameworks such as React, Next.js, Angular, Vue, Flutter, Go, and Python, plus connectors to identity providers like Google, Facebook, Azure AD, and Okta. The README also lists support for SPAs, web apps, mobile apps, APIs, M2M, and CLI tools. Getting started paths include Logto Cloud (managed), launching in GitPod, local development via Docker Compose, or using Node.js with PostgreSQL. The project is licensed under MPL-2.0.