oauthlib / oauthlib

A generic, spec-compliant, thorough implementation of the OAuth request-signing logic

voidauth / voidauth

Single Sign-On for Your Self-Hosted Universe

panva / node-oidc-provider

OpenID Certified™ OAuth 2.0 Authorization Server implementation for Node.js

DefGuard / defguard

Zero-Trust access management with true WireGuard® 2FA/MFA

sebadob / rauthy

Single Sign-On Identity & Access Management via OpenID Connect, OAuth 2, PAM

goauthentik / authentik

The authentication glue you need.