VisualCamel is a WYSIWYG Graphical Perl/Tk GUI creator. VisualCamel is an attempt to create a Perl/Tk GUI editor that resembles Microsoft's Visual Basic.
Jostraca is a general purpose code generation toolkit for software developers, using a syntax similar to JSP. Jostraca can be extended to generate code in any language, using any language, while placing no restrictions on software design.
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]
Guido's primary goal is to be an easy-to-use Perl/TK GUI design tool, generating complete Perl applications from the designs a user creates visually. It uses a plugin architecture that allows developers to easily extend the application.