Teal programming language (tl), a statically-typed dialect of Lua:

• https://teal-language.org

• https://teal-playground.netlify.app — https://github.com/teal-language/teal-playground

• https://github.com/teal-language/tl

• A Class using Teal: https://www.jlplabs.com/dark/20_class.html