FUDforum is web based forum software designed in PHP, utilizing MySQL, PostgreSQL or SQLite back-end, released under the GPL Open Source license. It is designed to work on any web server that supports PHP, which makes it usable on virtually very OS. The forum includes i18n and templating support allowing for a complete customization of it's output as well as a very capably group based permission system. FUDforum is a highly customizable forum package, with a large feature set. The easy to use administration control panel allows the administrator to easily configure and control the many features available. The forum also includes an interactive help package, which helps to familiarize users with the full potential of FUDforum.