Pearl is a PHP/mySQL discussion forum/bulletin board system full of features and comes with a WYSIWYG editor. Optimized coding is intended for easy modifations and integration, making it the most programmer-friendly there is.
Member Map is a PHP script utilizing GD and MySQL which allows website and/or forum users place themselves on a US map, by state. The script stores the users location, allows users to view other members by state and also dynamically generates a map with member counts by state.
The DPB is a bulletin board system based on PHP/mySQL. It supports all standard forum functions like Template, language packages, extensive user administration, search, user groups, Styles, Avatars and much more. Written in German.
With EZTopsites you can run your own topsites very easy. Features: List as many sites as you want; Uses PHP and MYSQL; Users can join your toplist or you can disable signups; Users can manage or modify their accounts, and change their passwords or delete their account; Automatically resets every day; You can rank sites by hits IN or OUT; You can have as many banner breaks as you want; Admin page to manage users; Counts unique hits in, records IP and sets cookie which resets each day; Viewers can rate each site once a day; Displays rating with 5 star images, rating out of 10.
Subscriptio is a sophisticated enterprise tool that makes it easy for software developers to control when and how their software is to be used. Subscriptio manages the entire lifecycle of the electronic software licensing effort, from generating dynamic, complex encryption schemes to managing customers and their purchased licenses. Existing PHP applications can be key-enabled in a matter of minutes using the Subscriptio API.
Here is the utility with which you can provide a support/mail interface in you website
Easily configurable Look and Feel. Just few edits and change the L&F.