Supports unlimited categories and sub-categories, unlimited articles, user comments and ratings, a glossary and much more. All output is controlled through templates so you can customize it to match your site. Powerful natural language search engine allows users to find what they are looking for easily. Users can suggest ideas for new articles, and the software will also keep a log of all search terms that return no results so you can improve your knowledge base. Printable format and e-mailing of articles is included.