TKproE is a development environment for the production of software applications written in the TCL/TK scripting language. In short, TKproE is a Graphical User Interface (GUI) for building TCL/TK programs. TKproE is, itself, written in TCL/TK.
tmk - a tcl based intelligent ``make`` tool. This ``make`` tool
combines the functionality of a traditional make utility with the
power of the Tcl scripting language. tmk works on everywhere
Tcl/Tk-based statically linked scripting product for microcontroller software builds on Windows platforms, and other tools. The book "A Practitioner's Guide To The Design And Development Of Small Microcontroller Software" is also a collaboration product.
MapServer Workbench is a set of cooperative tools to develop web mapping
applications with MapServer. Tools are written in Tcl/Tk, and require the
Mapscript scripting interface distributed with MapServer.