A Visual Spatial Query Language written in Common Lisp & CLIM for its GUI
This was written from 1997 - 1998, and is the program described in my diploma thesis. Check out the VISCO home page for details.
Unfortunately, this really seems to require ACL CLIM 2, for which I
don't have a license, so I cannot test it. My LispWorks 6.1 CLIM gives
me a Segmentation Violation when it encounters the
define-application-frame :-(
Anyhow, this is how it used to look like, with ACL (5?) on a Sun workstation in 1998: