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.
scriptHelper is a Java library allowing a simple integration between Java code and various script languages. This library also allows to debug these scripts in the context of a Java program.
The Moqui Ecosystem is a series of open source components for enterprise applications all built on a common framework (Moqui Framework) written in Java and Groovy. The components include tools that plug in to the framework, business artifacts, and applications.
Some of the popular tool plug ins include ElasticSearch, Apache FOP, Apache Camel, OrientDB, and Hazelcast.
The business artifacts later includes a universal data model (mantle-udm), service library (mantle-usl), reusable...
Metawidget is a smart User Interface widget that populates itself, at runtime, with UI components to match the properties of your business objects. Supports Swing, Java Server Faces (JSF), GWT, Spring, Struts, Android, Hibernate, Groovy, JPA and more
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AribaWeb (aribaweb.org) is the Open Source java-component-based web application development framework for creating rich, AJAX-enabled applications with the absolute minimum of code (and no hand-coded JavaScript).
Prudence is an open source container and framework for scalable web frontends and network services, based on proven REST principles. It comes in several flavors: Python, Ruby, Clojure, JavaScript, PHP and Groovy.