Top #oauth Tools & Software

tailscale

github

The easiest, most secure way to use WireGuard and 2FA.

authelia

github

The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™

API-Security-Checklist

github

Checklist of the most important security countermeasures when designing, testing, and releasing your API

authentik

github

The authentication glue you need.

hydra

github

Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go.

aci

github

ACI.dev is the open source tool-calling platform that hooks up 600+ tools into any agentic IDE or custom AI agent through direct function calling or a unified MCP server. The birthplace of VibeOps.

sso

github

sso, aka S.S.Octopus, aka octoboi, is a single sign-on solution for securing internal services

express-gateway

github

A microservices API Gateway built on top of Express.js

defguard

github

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

fosite

github

Extensible security first OAuth 2.0 and OpenID Connect SDK for Go.

pac4j

github

Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

oauth2

github

🔐 oauth2 - A Ruby wrapper for the OAuth 2.0, & 2.1 Authorization Frameworks, including OpenID Connect (OIDC)