The Single Sign-On Multi-Factor portal for web apps

OpenID Certified™ OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure. SDKs for any language. Works with Hardware Security Modules. Compatible with MITREid.

ZITADEL - Identity infrastructure, simplified for you.

A cloud native Identity & Access Proxy / API (IAP) and Access Control Decision API that authenticates, authorizes, and mutates incoming HTTP(s) requests. Inspired by the BeyondCorp / Zero Trust white paper. Written in Go.

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

Minimal forward authentication service that provides Google/OpenID oauth based login and authentication for the traefik reverse proxy

kubectl plugin for Kubernetes OpenID Connect authentication (kubectl oidc-login)

Easy to use OpenID Connect client and server library written for Go and certified by the OpenID Foundation

Authentication Plugin for Caddy v2 implementing Form-Based, Basic, Local, LDAP, OpenID Connect, OAuth 2.0 (Github, Google, Facebook, Okta, etc.), SAML Authentication. MFA with App Authenticators and Yubico.

Reference implementation of OpenPubkey

SSO authentication provider for the auth_request nginx module

S3 Reverse Proxy with GET, PUT and DELETE methods and authentication (OpenID Connect and Basic Auth)

BeyondCorp-inspired HTTPS/SSO Access Proxy. Secure internal services outside your VPN/perimeter network during a zero-trust transition.

An Identity Provider for ORY Hydra over LDAP

Goiabada is an OAuth2 / OpenID Connect server written in Go.

A cloud native Identity Aware Proxy and Access Control Decision service

OpenID Connect (OIDC) http middleware for Go

Open source alternative to Auth0 / Firebase Auth

PAM module connecting to Keycloak for user authentication using OpenID Connect/OAuth2, with MFA/2FA/TOTP support

Kopano Konnect implements an OpenID provider (OP) with integrated web login and consent forms.