Download of Gui Plop 3.0.6 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The latest version of Gui Plop is supported on PCs running Windows XP/7/8/10/11, 32-bit.
The program lies within Development Tools, more precisely IDE. We recommend checking the downloaded files with any free antivirus. The program's installer is commonly called gui_plop.exe. The actual developer of the free program is David Lewis. The following version: 3.0 is the most frequently downloaded one by the program users.
From the developer:
Plop is built as a set of three separate components that can be used independently, or together for maximum ease of use. It contains about 4400 lines of 'C' code. Plop is controlled by an input file describing the mirror cell using a set of fairly straightforward keywords and associated values
You may want to check out more software, such as PLS-GUI, PDFlib PLOP or GUI Design Viewer, which might be similar to Gui Plop.