Simple Machines Forum or SMF is a free professional grade software packages that allows you to set up your own online community within minutes. It has a powerful custom made template engine that puts you in full control of the lay-out of your message board, and with their unique Server Side Includes that let your forum and your website, interacts with each other.
It is written in the popular language PHP and uses a MySQL database. It provides you with features like bulletin board while having an absolute minimal impact on the resource of the server. At the top of the homepage you will find some tools that will help you use this site properly. These categories are home, community, download, customize, support, docs, and about. At this site you can download from language packs and converters, to CMS Bridges, tools and the SMF itself. If you are not sure which package you want there is an explanation of the file types available at the Download category. 
