FontScope is CurveSoft 's Type 1 font rasterizer. It ships with full C source, and permits arbitrary transformation of text in Tk widgets. Free demonstrations, themselves written in Tk, are available. Fore Systems is alleged to use Tk to provide SNMP MIB browing in ForeView and perhaps other products. One successful telecommunications vendor implements several of its products on a Tcl base, but sees no current advantage to advertising this.
Details are available on private request.
Tcl is the extension language for the GEOS debugger. Grammalizer is a fascinating industrial-strength initiative on which frequent c.l.t contributor Jeroen Hoppenbrouwers is a Senior Researcher. Hypercube , a major vendor of molecular modeling applications, uses Tcl to give users the ability to script interactions with the HyperChem Chemist's Developer Kit . ICEM CFD Engineering sells a Tcl compiler and lint. Developer's Kit .