Open Source Groovy User Interface (UI) Software

Ajax+Mobile Java Web framework. With 200+ Ajax components and event-driven, Ajax/RIA apps are as effortless and rich as desktop apps and HTML/XUL pages. Support JSP/JSF/JavaEE/Spring, Ajax Push and Client-fusion; also Java/Groovy/Python/JavaScript.

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

The Wicket Stuff project makes third party components available using the Wicket web component framework. Subprojects of this project contain integrations for Spring, Groovy, Hibernate, Velocity and other popular Java open source projects.

The Aria framework is a cross platform Rich Intenet Application development platform spanning the web, the desktop and mobile.

Canyon is a Java framework for quickly developing Cooee (an Echo2 fork) applications using XML interface descriptors and Groovy scripting. Support is planned for Echo3, Swing and SWT

Groovy + Facelets = Gracelets. This combination enables you to develop/prototype/live edit your JSF views, controllers and libraries in the groovy language.

This project is a java web application developer toolbox. It is among other, a simple and powerful framework which does not require dealing with XML files. It also provides a lot of other features, such as a DB abstraction layer, a nice javadoc doclet, a

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 screens (SimpleScreens), and integration components for EDI, Authorize.NET, and Shippo. There are 2 main applications in the ecosystem: POP Commerce ERP and eCommerce for retail and wholesale, and HiveMind Project Management and ERP for service organizations. NOTE: the code repositories for Moqui Ecosystem are hosted on GitHub at: https://github.com/moqui

Protoreto is a GPL-licensed tool to create prototypes of graphical user interfaces (GUIs). NOTE: This project is not actively maintained at the moment. If you'd like to continue developing Protoreto, please send an e-mail to: wikipedian@users.sf.net

Web-based desktop environment built using the ZK AJAX toolkit. Includes advanced, easy-to-use CRUD tools for customized data management.

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).