The authentication glue you need
Authentication for the Web
MaxKey SSO ,Leading-Edge IAM-IDaas(Identity and Access Management)
The Single Sign-On Multi-Factor portal for web apps
Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape
DebianDC is a Active Directory Domain Controller distribution
Self-hosted LDAP admin and Active Directory web console with REST API
Insert and manage Linux computers in AD
Webbased Small Business Server
Generate reports from Active Directory
OpenID Connect and OAuth 2.0 Framework for ASP.NET Core
Web-based LDAP address book browser/editor
Zentyal is a Linux Small Business Server
Tomcat SPNEGO/Kerberos Authenticator and Active Directory Realm
An open source Identity & Access Management solution with AD-functions
Active Directory Keytab Management
SAAAD - Gerenciar o Samba4 como AD
The Identity Manager provides a solution to manage the user life cycle
Proxy Manager that integrates AD with Squid using SSO
An open framework for Single SignOn authentication
LDAP passwd Enumerator for Puppet
Browse and edit LDAP-based directories / entries
A class for PHP to talk to Active Directory through LDAP.
phpbb Multiple domain Single Sign on with wordpress plugin