SpiderMonkey is Mozilla’s JavaScript and WebAssembly Engine, used in Firefox, Servo and various other projects.
Interactive Ruby
A Python-3 (CPython >= 3.5.0) Interpreter written in Rust 🐍 😱 🤘
SQLite is a C-language library that implements a small, fast, self-contained, high-reliability, full-featured, SQL database engine
User, namespace, and package settings simplfy collaboration, sharing, and much more.