Welcome

Click Framework is a modern JEE web application framework, providing a natural rich client style programming model. Click is designed to be very easy to learn and use, with developers getting up and running within a day.

Highlights

Very easy to learn
Component and Page Oriented design
Event base programming model
Very high performance
Automatic form rendering and client/server side validation
Supports Velocity, JSP or FreeMarker page rendering
Free Open Source with commercial friendly Apache License
Supports JDK 1.4 and latter

The design philosophy behind Click is best summarized in the Swedish word lagom which translates to not too little or too much, but optimal.

If you want to dive straight into some code examples see Introduction.

Otherwise if you what to know why anyone would want to build another web application framework read Why Click?

The Click project has been lead by Malcolm Edgar and Bob Schellink, and has included contributing developers Phil Barnes, Ahmed Mohombe, Naoki Takezoe, Christian Essl, Stephen Haberman and Ricardo Lecheta.

Latest News

18 May 2008 - Click 1.5 Milestone 1 (M1) released

We are pleased to announce the first milestone release of the new 1.5 development branch. 1.5 is still undergoing changes and is not ready for production use. Rather consider the latest stable release, 1.4.2, for live deployments.

Significant new features in 1.5 include:

Container - new interface for building arbitrary complex, hierarchical Controls.
Services - Click core has been refactored into pluggable services.
Mock Test Support - introduces an easy to use package to write Unit and Functional Testing.

A new Powered by Click section was added. If you would like to add your own site to this list, please send us a mail to one of our Mailing Lists, or directly to "sabob1 at gmail.com".

See the changelog and upgrade path for further details.

27 April 2008 - Click 1.4.2 maintenance released

Click 1.4.2 is a minor maintenance release. This release fixes a problem when using SpringClickServlet and excluded urls. We have also fixed a slight performance degradation over the 1.4 release. See the changelog for details.

30 March 2008 - Click 1.4.1 released

Click 1.4.1 is mainly a bug fix release. Some JSP and Ajax issues were resolved. See the changelog for details.

6 March 2008 - ClickIDE 2.0.0. released

ClickIDE 2.0.0 provides support for Click 1.4 as well as Spring and Cayenne. See the changelog for details.