I've been working in TCL/TK since 2003.
I'm working in Automotive company in test department and I'm author of framework (~55kLOC) which is heavy used in test automation. The framework works with different test equipment, sometimes over specific protocols. Thus I have experience and howto in:
which doesn't mean I don't work with other TCL/TK extensions:)
My IDE is PsPad armed by self-made VB extensions + Nagelfar + RamDebugger
I was born in Poland where I'm living and working.