osTicket is a widely-used open source support ticket system. It seamlessly integrates inquiries created via email, phone and web-based forms into a simple easy-to-use multi-user web interface. Manage, organize and archive all your support requests and responses in one place while providing your customers with the accountability and responsiveness they deserve. Try osTicket for free today!
phpFreeChat is a free, simple to install, fast, customizable, multi-language chat tool that uses a simple filesystem for message and nickname storage. It uses AJAX to smoothly refresh and display the chat zone and the nickname zone. It supports multi-room, private messages, moderation, and customized themes (based on CSS and plugin systems that allow you to write your own storage routines) -- and you control chat commands! Give phpFreeChat a try today.