A curated list of JavaScript tooling not written in JavaScript

• Bundlers
• Compilers
• Engines
• Formatters
• Linters
• Miscellaneous
• Related Articles

• esbuild, JavaScript bundler in Go

• swc, TypeScript/JavaScript compiler in Rust
• (experimental) Relay compiler, in Rust
• Paperclip, presentational component compiler in Rust + WASM
• Closure Compiler, in Java

• Boa, an embeddable and experimental Javascript engine, written in Rust
• Goja, an ECMAScript/JavaScript engine, written in Go
• Hermes, JavaScript engine optimized for React Native, written in C++
• V8, high-performance JavaScript and WebAssembly engine, written in C++

• dprint, Pluggable and configurable code formatting platform written in Rust. support several languages such as JavaScript/TypeScript.

• Deno Lint
• Flow, a static type checker for JavaScript, written in OCaml
• quick-lint-js, written in C++
• RSLint, a (WIP) Extremely fast JavaScript and TypeScript linter, written in Rust

If you can think of a more appropriate category for the items below, PRs welcome!

• Fast Node Manager (fnm), Node.js version manager, written in Rust
• Volta, a JavaScript Tool Manager, written in Rust
• es-module-lexer, a JavaScript module syntax lexer, written in C
• npm-dep-check-rust, find unused dependencies in Node.js applications, written in Rust

• Writing JavaScript tools in other languages – a new trend?, Dr. Axel Rauschmayer
• The Third Age of JavaScript, Shawn (@swyx) Wang

Contributions welcome! Read the contribution guidelines first.