GUI Builder for Eclipse 3.1 and UltraLightClient Released

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Build Rich Internet Applications (RIA) visually using Canoo’s ULC Visual Editor.

ULC Visual Editor 5.0 for Eclipse 3.1 is now available for download from the Canoo website ( This new release is the first version that runs with Eclipse 3.1 and the Eclipse Visual Editor 1.1. Porting to Eclipse 3.1 has greatly improved the overall performance and stability of the tool. Use this editor to visually compose Rich Internet Applications (RIA).

Java’s industrial strength for Rich Internet Applications

ULC Visual Editor is a "drag-and-drop" user interface designer for UltraLightClient, a Java library for Rich Internet Application (RIA) development ( The library uses Swing on the client, standard communication protocols set by the J2EE container, and standard lifecycle management on the server. The principal design is based on the half-object and protocol design pattern. Applied to Swing, this pattern is used to offer the Swing API in a server-side programming model, providing rich user interfaces in a web architecture ( UltraLightClient is a pure Java-based alternative to other RIA technologies such as AJAX and Macromedia Flex. Leveraging Java’s industrial strength, UltraLightClient excels in characteristics like maintainability of code, reliability, scalability, performance, and security. UltraLightClient-based applications are an ideal choice for corporate Intranet applications or B2B applications running over the Internet.

New features

New ULC Visual Editor features include:

  •      Improved startup performance when opening a visual class,
  •      Support for ULCFiller,
  •      New class wizard to generate ULC applications,
  •      Limited "Copy & Paste" functionality.


ULC Visual Editor is available for purchase at A developer license costs US$ 499. A free evaluation license can be ordered for a 30 day period. The editor requires UltraLightClient 6.0 and Eclipse 3.1. For more information please see the product description or contact Canoo directly.

About Eclipse

For more information about Eclipse 3.1, the Eclipse consortium, open-source community and royalty-free downloads, please refer to

About Canoo

Canoo is a leader in Web front-end application development and delivers Java-based software consulting services and products. Canoo was founded in 1999 by a team of senior executives and software engineers. The company is privately held and is headquartered in Basel, Switzerland. Besides UltraLightClient, the Canoo product range includes WMTrans, a software library for language analysis and generation, and Webtest, an open-source, XP-style, Java-based functional testing tool for web applications. Canoo's products are used by hundreds of companies in dozens of countries.

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Sandra Wendland
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