Open-source Web application server environment in which Web-database applications can be developed completely in an extended HTML language. Similar to ColdFusion.

XML-compliant templating solution for PHP

An open source, easily extensible, high performance application server, written in Python.

PHP-based project geared toward creating web-development environment for non-programmers. Plans to allow web-interface to predefined modules for forums, yellow pages, and news.

XML/XSLT processor utilizing Apache and mod_python.

Provides a J2EE compliant runtime environment for both server and mobile platforms, such as J2ME, MIDP or other CLDC based devices (e.g. runs on the PersonalJava enabled Sharp Zaurus and Compaq's iPAQ).

Sue Spielman looks at JSP and XSP to help you decide which is right for your development needs.