..here:
[link|http://home.t-online.de/home/andreas.kochenburger/|http://home.t-online...eas.kochenburger/]
A nice ANS FORTH without a lot of extra baggage, for Linux and WIN/DOS (compiled under cygwin or djgpp).
Implemented in C so you can easily investigate FORTH's threading mechanism and inner-outer loop organization.