a12n-server
A lightweight, open-source OAuth2 and OpenID Connect authentication server for Node.js.
What is a12n-server?
a12n-server is an open-source authentication server that implements the OAuth2 and OpenID Connect standards. It provides a lightweight, production-ready solution for managing user authentication, authorization, and identity services, eliminating the need to build custom authentication systems from scratch.
Developers and teams building web applications or APIs that require secure, standards-compliant authentication and authorization, especially those using Node.js backends.
It offers a comprehensive set of authentication features (including MFA and RBAC) in a simple, deployable package, with a focus on developer experience through its admin UI and browsable REST API.
Overview
An open source lightweight OAuth2 server
Use Cases
Best For
- Adding OAuth2 and OpenID Connect support to a Node.js application
- Self-hosting a lightweight authentication server for internal tools
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