Robust, modular, and extendable user authentication system
An open source file system login.
This script will show you how you can create simple login system.
Secure login system for php frameworks, applications ansd sites
Sita Access Manager (SAM) is php based Login System.
A login/creation system made in PHP. Also known as SMLS.
Modern PHP user login and management framework++
An Open Source PHP User and Page Management System