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.
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🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
Open Source realtime backend in 1 file
The authentication glue you need.
The most comprehensive authentication framework
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The tiniest OpenID Certified™ authorization and authentication server you have ever seen.
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Beautiful UI components built for Better Auth.
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OpenAM is an open-source access management solution for identity authentication, authorization, and federation. It provides single sign-on, adaptive authentication, and centralized policy control, enabling secure access to web, mobile, and cloud applications
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.
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A JWT based API for managing users and issuing JWT tokens
An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, built-in WebAssembly runtime, realtime subscriptions, auth, MCP and admin UI built on Rust, SQLite (PG) & Wasmtime.
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