ASED is a Tcl/Tk Editor written in pure Tcl/Tk using the BWidget Toolkit. Features included: multifile editing, syntax-highlighting, command-expansion, undo/redo, autoindent, find/replace, file-browser, help-system
A powerful editor and graphical debugger for code written in Scilab
Scipad is a powerful editor and graphical debugger for programs written in the Scilab language. It is a mature and highly configurable editor, almost entirely written in Tcl/Tk. Scipad is a free software running on Linux and Windows. Licence is GPL V2.