Tcl/Tk

Tcl Developer Site
SpecTcl Home Page
freewrap - Build stand-alone TCL/TK executables.
Simplified Wrapper and Interface Generator
Ffidl
FileManager - A highly configurable Tcl/Tk File and Session manager.
The GPIB-Tcl Project
LPTTCL - A parallel port extension for Windows that allows direct control of LPT signals directly from Tcl.

Documentation