FreeOberon – Open-Source, Cross-Platform, Free Pascal/Turbo Pascal-Like Language
github.comCan't wait to try this on Mac (English manual install intstructions at https://github.com/kekcleader/FreeOberon/commit/489c5a929bf9...). I feel like Oberon is very much worth a look for people interested in small, powerful languages.
"freeoberon-lang.org"