[tn1]

Not really. Most of the tcl that gets written is very straightforward and business-logic. The framework you're using is pretty much just the host tool. Trying to integrate other libraries is often difficult if the tcl runtime is missing some features (looking at you, xilinx...)

[inomenic]

I assumed tcl easily embeds with C code, and from there you can do anything with other libs?

[bandrami]

It can but that's working against the design. How you are "supposed to" do it is write reusable standalone objects in C (think the old CORBA way of doing things) and then write a TCL script as the main skeleton of your program that calls them when needed.