Python: A dynamic language emphasizing readability. Nodejs: Evented I/O for v8 Javascript. C: Low-level and cross-platform imperative language. Java: A concurrent, class-based, statically typed object-oriented language. C++: A general-purpose system programming language. Ruby: A natural dynamic object-oriented language. HTML, CSS, JS: The languages that make up the web. Scheme: An elegant dynamic dialect of Lisp. Go: Statically typed yet expressive language with a focus on concurrency. Rust: A fast and safe systems programming language.