JavaScript is an object-oriented scripting language used to enable programmatic access to objects within both the client application and other applications.
The postal codes and cities in Belgium.
Postal code City
Apache Struts is an open-source web application framework for developing Java EE web applications. It uses and extends the Java Servlet API to encourage developers to adopt a model-view-controller (MVC) architecture.

Dojo Toolkit is an open source modular JavaScript library (or more specifically JavaScript toolkit) designed to ease the rapid development of cross platform, JavaScript/Ajax based applications and web sites.
Dojo Color Picker