Racket Lang - Racket (formerly PLT Scheme) is a modern programming language in the Lisp/Scheme family, suitable...
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Chicken - A portable and efficient cross-platform Scheme implementation that compiles to C.
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
Gambit - Cross-platform chess game.
Rust - A safe, concurrent, practical language