Simple Machines Forum - SMF in short - is a free, professional grade software package that allows us to quickly set up and style your own online community within hours. Its powerful custom made template engine puts us in full control of the layout of your message board and with the unique SSI - or Server Side Includes - and the MOD integration we can let your forum and your website interact with each other.
SMF is written in the popular language PHP and uses a MySQL database. It is designed to provide you with all the features you need from a bulletin board while having an absolute minimal impact on the resources of the server. SMF is the next generation of forum software, and best of all it is and will always remain completely free!
SMF offers an extensive range of standard functionality and security. The system uses the popular PHP scripting language and MySQL database and supports multi-language, advanced permissions adn tracking of users and new and old topics.
For a full list of the key features: SMF features list