Jeszra is a visual designtool, which combines 2D- vector graphics and GUI design. Jeszra is written in Tcl/Tk and creates reusable code for: * Tcl, Ruby, Lisp and Python. * DocBook based reference pages. * SVG import and export.
Clipper is a Python based Shell and Debugger for the CLIPS Expert System (see http://clipsrules.sourceforge.net/). It is currently build on pyGTK and pyCLIPS.
Leone is a Content management system and design toolset. Use for personal and group info share and collebrat.
Common Lisp frontend to Verilog HDL -- use the Common Lisp macro system to generate reams of boring, ugly Verilog.