OpenSupports is a PHP-MySQL script, a support center for your website. You can create staff members who will help you to answers user's tickets. Also, you can have an articles library for your users. Users can send support tickets and they will be answer by your staff members. On the official site you will find manuals, demos and all the information you need to aplied it. A script totally recommended,OpenSupports can be the solution for many webmasters.