Denwer is a collection of often-used web-servers for web-programmers. It is used to debug web-sites under Win32. Denwer includes: friendly installer; Apache; PHP; MySQL; Perl; virtual host management system; phpMyAdmin; sendmail stub; start/stop manager.
MADMIN is a generic framework to allow system administrators to grant access to resources on servers (like: files, commands, etc.) thru a web interface to other groups (like developers, operators, etc) without the need to create logins on target servers
XPHP is an IDE authoring tool for Windows that allows you to design, develop, test, debug and deploy PHP applications. [This project has been discontinued since 2005]