Admidio is a free open source user management system for websites
Manage your organization online
The world's leading content management systems (CMS) written in PHP
Award-winning lightweight Open Source Content Management System (CMS)
Authorization, Authentication and User Management library
Account management PHP Script with a software infracstructure
Sita Access Manager (SAM) is php based Login System.
Free and Open Source Web Sites Builder
A simple web login system written in PHP and using MySQL database.
Simple user login management in php with sessions.
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A login/creation system made in PHP. Also known as SMLS.
Weblooker monitors serveral services on multiple systems for their sta