Forth is an important skill for a zombie apocalypse. You can create a simple computer, with a simple instruction set, and get a high level programming language in a short time :)
https://lists.sr.ht/~vdupras/duskos-discuss/%3C69cfdb97-49d6...
i will take a look
well, that's unfair, because https://github.com/kragen/stoneknifeforth definitely doesn't qualify as a forth, it doesn't have immediate words