Free
ApPHP DataValidator is a simple lightweight data validation tool.
PHP TreeMenu - Multilevel Tree Menu Control
Change the filenames of one or more HTM or HTML files based on content.
Car Rental Module for uHotelBooking script
ApPHP ContactForm the easiest way to let your website visitors send email
ApPHP Shopping Cart - powerful open-source e-commerce PHP solution
Brush Your Ideas T-shirt Design Tool that will work great for your ecommerce store