Webswing is a technology that allows java programs to run in a browser. Greenstone 3.11 and later comes with webswing enabled.

It is provided as an extension, in greenstone3/ext/webswing. You don't need to compile it up, it ships with a ready-to-go JAR/WAR file.

The webswing framework requires a graphical environment. If you are on a standard desktop, then it will work out of the box. However, if you are on a headless Linux environment, then you will need to install:

• xvfb - x-virtual frame buffer

You may also need the following:

• libxext6
• libxi6
• libxtst6
• libxrender1