Provides the Core API and consists of everything you need to build a Click web application.
Provides the Core Controls, and provides a short description of each control and corresponding HTML element.
Provides components that are tailored to specific technologies, such as a Hibernate, Spring and Cayenne. Extras also include many Controls including IntegerField, DoubleField and DateField. You will also find Filters which can improve your application performance.
Provides a library for testing Click Pages and Controls, independent of a Servlet container such as Tomcat or Jetty.