cl-tk
CL-TK provides a simple bridge to Tcl/Tk. It will fire up a Tk window, handle events, and allow you to evaluate Tcl code.

License: zlib

Homepage: http://marijnhaverbeke.nl/cl-tk/

See also: clTcl

ASDF-install package (obsolete) http://marijnhaverbeke.nl/cl-tk/cl-tk.tgz

GUI FFI