Forum OpenACS Q&A: nest tcl package
I also plan to rewrite all of my other apps/packages on top of it. The resulting spec (tclsh read-nest.tcl message.nest) can be compiled into C code (while retaining the ability to function in TCL) just like I did with the templating more than a year ago.
You can find the "nest" package here:
You may find my templating presentation in EuroTCL 2013 relevant: