transpiler

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

oxlint is a blazing-fast JavaScript and TypeScript linter that is 50–100× faster than ESLint. It is designed to catch erroneous or useless code without requiring any configurations by default.

A small teaching language that runs anywhere and transpiles to Rust, Swift, and Go

Haxe is an open source high-level strictly-typed programming language with a fast optimizing cross-compiler.