Download of SpringGrid 6.0.310.5 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following versions: 7.0 and 6.0 are the most frequently downloaded ones by the program users.
This free software was originally designed by The Java(tm) Tutorial: Sun Microsystems, Inc. We recommend checking the downloaded files with any free antivirus. The program's installer is commonly called GridDemo.exe. The program lies within Development Tools, more precisely IDE.
From the developer:
The SpringLayout class was added in JDK version 1.4 to support layout in GUI builders. SpringLayout is a very flexible layout manager that can emulate many of the features of other layout managers.
For example, you might define that the left edge of one component is a fixed distance (5 pixels, say) from the right edge of another component.
You may want to check out more software, such as GnuWin32: PlotUtils, Menu Creator 2007 & Menu Extended or SharedModelDemo, which might be related to SpringGrid.