ASP
Microsoft portal site for the asp.net development community. download visual web developer, post to the forums, read asp.net blogs and learn about asp.net.
http://www.asp.net/
JSP
Javaserver pages (jsp) technology provides a simplified, fast way to create dynamic web content.
http://java.sun.com/products/jsp/
PHP
PHP
http://www.php.net/
XML Query Language
XML Query Language
http://www.w3.org/tands/ql/ql98/pp/xql.html