Take JavaScript, Rust, and WolframLanguage and make a great language out of them without any restrictions.
Check the interpreter crate - Interpreter Check the examples - Examples
println["Hello, World!"];
- Documentation (started)
- Lexer (started)
- Parser (started)
- Optimizer (started, not really)
- Interpreter (started)
- REPL in Interpreter
- Analyzer
- Format (started, not really)
- Package manager