I immediately thought of Shen which is also ported to a large number of languages. Shen relies on a "micro-Lisp" substrate called K-Lambda which consists of j

I immediately thought of Shen which is also ported to a large number of languages. Shen relies on a "micro-Lisp" substrate called K-Lambda which consists of just 43 easily ported instructions. http://www.shenlanguage.org/ http://www.shenlanguage.org/