PHP web-application framework including MVC, GUI, ORM, FSM, ACL, Ajax and many more. Very useful toolset to build php web-applications from the simpliest to more complex systems. See www.mywebframe.com for more details!
Tank ACL is an access control library for the CodeIgniter PHP framework which provides a flexible group, role, and permission structure. It is designed to work in tandem with the independent Tank Auth library for authentication.
Tackle is a small ACL authentication module for PHP database applications. It is designed to have a low profile and be easy to implement and use. Users can grouped and allowed or denied access to user definable actions and resources.