Client-side tool to convert ASP (Classic) to PHP by Robert Giordano. Also includes cross-referencing utility. [Freeware]

Generates pre-built and custom installation sequences for PHP applications using a web control panel. Developed by TubiRon Software. Includes an online demo. [Single-Use Freeware]

Tool for writing and testing PHP and HTML pages. Offers Unicode support and file search utility. Website also contains related editing products for Perl and Powerpoint. [Shareware]

A further development of the Turcke MMCache project. The tool increases performance of PHP scripts by caching them in a compiled state. Wiki data, tickets and recent changes also available for viewing. [Open source, GPL]

A complete IDE for creating, testing, and debugging PHP scripts that runs on Windows 9x/NT/2000/XP. The site also includes an Apache GUI and editors for CSS and Perl. [Commercial]

Code generator connects to a MySQL database and produces valid PHP code through a graphic interface. Site and installation also available in Italian. [Freeware]

Standards-compliant HTML filtering library written in PHP. Plug-ins, demo, and forums also available through the website. [Open source]

A simple PHP programming framework. This adopts simple rules and guidelines to enable PHP programmers to create a web application quickly and with ease. Website also contains documentation and RBAC scheme. [Freeware]

PHP debugger that allows you to execute PHP scripts in step-by-step manner and trace down errors. Site offers installation instructions and user support forum. [Commercial]

PHP debugger for stepping through code, breaking at errors and breakpoints. Site also contains full documentation, licensing information, and a "help out" section.[Open source, GPL]