Extensions
Here is an overview of the extensions of ZK. They are optional. If you are new to ZK and prefer to understand ZK first, you could skip this section and go back later after you understand ZK more.
There are hundreds of projects that extend ZK's functionality, boost productivity, provide sample code, and many others. For more projects, you could search Google Code, Sourceforge.net, ZK Forge, GitHub etc.
ZK Studio
ZK Studio is a visual integrated development environment for developing ZK applications with Eclipse IDE.
REM
REM is a NetBeans module for ZK that simplifies the development of ZK with NetBeans IDE.
ZK Themes
ZK Themes is a collection of themes, including breeze, silvertail and sapphire.
ZK Spring
ZK Spring integrates ZK and Spring framework.
ZK JSP Tags
ZK JSP Tags is a collection of JSP tags built upon ZK components, such that developers could use ZK components and other JSP tags in the same JSP page.
ZTL
ZTL is a testing toll to automate the test of ZK including unit test and screen-image comparing.
ZEST
ZEST is a lightweight MVC and REST framework providing an additional page-level MVC pattern to isolate the request's URI, controller and view (such as ZUML document).
ZKGrails
ZKGrails integrates ZK and Grails.
ZK Spreadsheet
ZK Spreadsheet is a ZK component delivering functionalities found in Microsoft Excel to ZK applications.
ZK Pivottable
ZK Pivottable is a ZK component for data summarization that sorts and sums independent of the original data layout.
ZK Calendar
ZK Calendar is a ZK component enabling rich and intuitive scheduling functionality to ZK applications.
ZK Jet
ZK Jet is a browser extension available for Firefox and Google Chrome which provides the user with a ZK sandbox environment.
ZK CDI
ZK CDI integrates ZK and JBoss Weld CDI RI.
ZK Seam
ZK Seam integrates ZK and Seam.