For the forths, pforth is certainly portable, pfe on windows, 8th is ok. ficl is supposed to be for scripting, awhile back (years) measured and it turns out its

For the forths, pforth is certainly portable, pfe on windows, 8th is ok. ficl is supposed to be for scripting, awhile back (years) measured and it turns out its the fastest one in certain cases. For the new agey stuff I'd say start with factor if you're on x86. if you're not maybe try retro[0], or write your own. [0]: http://forthworks.com/retro/ http://forthworks.com/retro/