A free open source web forum developed in the PHP scripting language, supporting various DBMS, including MySQL, PostgreSQL, MS SQL Server, MS Access, as well as Oracle. The most popular web forum engine in China. The main purpose of the forum engine is to simplify the integration of various services on one site. In fact, it is a technologically new software solution made in PHP and MySQL to create a high-performance and multifunctional resource with elements of a social network. The developers present it as a kind of symbiosis of a social network and a forum.