I wrote one some time ago, and it took me a lot longer than I thought it should. (it's core is finished, but dictionary is limited) https://ntavish.in/projects/

I wrote one some time ago, and it took me a lot longer than I thought it should. (it's core is finished, but dictionary is limited) https://ntavish.in/projects/emforth/ https://ntavish.in/projects/emforth/