ZK is an open-source Java framework for building modern web and mobile applications.
It enables developers to create rich, interactive UIs using only Java — no JavaScript required. With 200+ Ajax-powered components, event-driven architecture, and support for popular technologies like Spring, Java EE, and JSP/JSF, ZK makes it simple to deliver powerful and user-friendly web applications.
...Focus is on the Community that includes Subject Matter Specialists, Implementors and End-Users.
iDempiere is based on original Compiere/Adempiere plus a new architecture to use state-of-the-art technologies like OSGi, Buckminster, zk.
Web4thejob is an open source java framework for the rapid development of data-centric web applications. It is ideal for those who seek a component-based event-driven full-stack web development framework, capable of producing elegant desktop-style web applications that can automate any business domain.
The framework addresses the automation needs of any business domain introducing "joblets". A joblet encapsulates the relational schema of a business domain using modern orm technology....
Serializable Data Transfer Object/Generic Dao for J2EE
Dto.java and others classes - for data transmission from/to view (with EL - Expression Language" ) layer to/from business and persistence layer in J2EE application. Dto extends from HashMap class of Java API for encapsulate any type of information by key type:key_i.key_ij.key_ijk....: Any component in any J2EE functional chain can access to DTO if they know the key key_i.key_ij.key_ijk.... for object access. This project helps to decouple the data, business logic and persistence logic...
Tobe is a complete framework for java enterprise AJAX based applications. Contains database tools and user interface components. Tobe is using zk framework for user interface.
JSDC are libraries, giving developers of dynamic pages an easy/fast way of making their web application more powerful with datasets, master-detail relations, dataset-events, conditions and data-aware components. It's the opposite approach to that of ZK.