The Single Sign-On Multi-Factor portal for web apps
Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape
Secure Backend Server for Web, Mobile & Flutter Developers
Apereo CAS WAR Overlay template
Google Auth Library for Node.js
A private certificate authority (X.509 & SSH) & ACME server
Identity & Single Sign On for all earthlings and beyond
An open-source Identity and Access Management (IAM)
MaxKey SSO ,Leading-Edge IAM-IDaas(Identity and Access Management)
Kanidm: A simple, secure, and fast identity management platform
FIDO® Certified StrongKey FIDO Server (SKFS)
PHP strong authentication library, web interface & CLI, OATH certified
AD Web Management Platform
nuBuilder Forte is a cloud database builder.
Webbased Small Business Server
IDaaS/IAM solution that can Auth to web and mobile applications
Zentyal is a Linux Small Business Server
apache cookie SSO mechanism.
Apache LDAP Directory Manager
An open source Identity & Access Management solution with AD-functions
Token-based AngularJS authentication
An extensible authentication and authorization library for Clojure