IIS, Tomcat, JRun, JBoss, Websphere, Lotus Domino, Apache, ORACLE 9iAS

HTML, JavaScript, VBScript

CGI, Fast CGI, IISAPI

ASP/.Net, Servlets/JSP, PHP, Perl
InterDev, Visual Studio .Net, Sun JDK, JBuilder, Visual Age, Code Guide, Eclipse, J2EE (Servlets, JSP, EJB, JNDI, ...
Applets, Active X, Ant, Log4J, POI, Xerces, XSLT, XML, Templates/Velocity)

eCommerce and Internet payment systems
Verisign PayFlow Pro package, UPS Address validation system and UPS Service Selector

Content management systems
Drupal, osCommerce, OpenCMS