Allows each component's size and location to be defined explicitly in terms of attributes of itself, other components or its container. [Commercial w/ Demo]

Layout manager for Java that is similar to the Motif Form Widget (but with less features). [Open Source]

Layout Manager that gets the layout and resize behaviors for components from an html-like syntax. [Open Source, LPGL]

An XML interface to the javax.swing package and it's subpackages that enables programmer to create Java GUI from XML file. [Open source, Academic Free License]

A framework helps layout form-oriented Swing panels. [Free and commercial editions]

A collection of links to Java layout managers.