Wolf Software Curse Filter Class filters out curse words. It uses a basic default list, but can be added to dynamically. It's useful in any site with shared posted content, to allow people to filter what they personally find offensive. It's ideal for forums, social networking sites, etc.
EPD Cookie Class is a light weight PHP class that can track cookies and user consent within the Directive 2002/58 on Privacy and Electronic Communications, otherwise known as E-Privacy Directive, which is an EU directive on data protection and privacy in the digital age. It presents a continuation of earlier efforts, most directly the Data Protection Directive. It deals with the regulation of a number of important issues such as confidentiality of information, treatment of traffic data, spam, and cookies.