FYI. 

This was very recently posted on comp.lang.tcl, and contains a link to
SpecRuby.

The author of the following note is adopting and updating SpecTcl for
Tcl/Tk 8.4 (which I think is nearing a transition from alpha to beta
status). He is adding support for various popular Tk widget extention
libraries.

Morten Skaarup Jensen wrote:
> 
> A new home for SpecTcl has now been set up at http://spectcl.sourceforge.net
> I've put in my changes to SpecTcl as an alpha release 1.2a
> The Homepage is still a bit rough, I plan to improve this soon.

-- 
Conrad Schneiker
(This note is unofficial and subject to improvement without notice.)