SP.Forms Lite has a HTML user interface to customize how to hande a form. Features: generate confirmation page; check form values on client side (JavaScript) and server side; adjusted by logic expression (that may use entered values) aftersubmit pages; send emails, submited values mights be inserted into From, To, Subject and Body of an email; send attachemnts; run your PHP code during form processing; run as CGI or inside your page with include() mode; errors checking.
phpXIedit is a Web-based XML development toolkit to edit, validate and preview XML files. This program gives you a structured view of the XML data. It has support for multiple XML formats: SVG (Scalable Vector Graphics), DocBook, XHTML and more.
CartMan is an easy-to-implement solution for selling products on a website. The script does not require a database as all information is passed to the script within the URL of the link on the actual product pages.
AudiStat is a GPL PHP application for generating and showing web statistics for your website. With AudiStat you can get statistics about hit counts, referring page, visitors country, visitors domain name, etc. The statistics presentation page can be customized with your html code using a cascading style sheet. There is a Google statistics functionality which focuses on Googlebot accesses.
obieREFERER is a referer checker. It has only one file. Also features: deleting the oldest referer, easy to configure your "TOP referers list", any query string (of referers) support, cleaning database function. No MySQL needed.