Two-factor authentication system
The Identity Manager provides a solution to manage the user life cycle
Username and password authentication strategy for Passport and Node.js
Open Source Web Single Sign-On
SSH Key Management solution
pGina is an open source replacement authentication system for Windows
Copy users and groups to another AD form a group
Module for Microsoft Excel 2003 or below to conver LDIF file to .XLS
Single Sign On module for Apache and NGiNX
A class for PHP to talk to Active Directory through LDAP.
phpbb Multiple domain Single Sign on with wordpress plugin
User ping