Admidio is a free open source user management system for websites
Kimai is a web-based multi-user time-tracking application
Laravel Impersonate is a plugin to authenticate as your users
Admin interface for managing users, roles, and permissions
Modern PHP user login and management framework++
Provides user management for your Symfony project
Authorization, Authentication and User Management library
The world's leading content management systems (CMS) written in PHP
Manage your organization online
Award-winning lightweight Open Source Content Management System (CMS)
Easy to use, but powerful deployment tool using FTP and/or SFTP/SCP
Login with Multiple Hierarchies of User and Members!
Account management PHP Script with a software infracstructure
A ready-to-use CodeIgniter skeleton with tons of new features
Secure login system for php frameworks, applications ansd sites
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.
FrequencyCMS is a a light-weight, free and open source CMS.
Simple user login management in php with sessions.
A LDAP User Management System
A login/creation system made in PHP. Also known as SMLS.
Weblooker monitors serveral services on multiple systems for their sta