Yes, [http://www.prs.de/prs/products/gipsy/index.php?lang=en%|%VisualGIPSY] is Tcl-based. What: VisualGipsy Where: http://www.prs.de/prs/products/gipsy/index.php?lang=en Description: Visual GUI builder. Uses Tcl/Tk. Runs cross platform (Windows, Unix, MacOS, even [PocketPC]). Uses the GNU Artistic License. Currently at version 2.6 . Updated: 02/2003 Contact: mailto:info@prs.de ---- The page pointed to above does not have an obvious link to license information; however, "GNU Artistic License" makes no sense. There is an Artistic License, and there are multiple GNU licenses (see http://www.opensource.org/licenses/), but they are not the same. -- ''[escargo]'' ---- See also [IDE] - even though this isn't an IDE, often times people use that term to mean "program that I can use to create GUI applications". <>Application