Public repository of the QuickJS Javascript Engine.

Boa is an embeddable and experimental Javascript engine written in Rust. Currently, it has support for some of the language.

An implementation of ECMA-262 in JavaScript

Ultra-lightweight JavaScript engine for the Internet of Things.

The official mirror of the V8 Git repository

A ECMAScript 2023 compliant JavaScript implementation built on GraalVM. With polyglot language interoperability support. Running Node.js applications!

ChakraCore is an open source Javascript engine with a C API.

Duktape - embeddable Javascript engine with a focus on portability and compact footprint

the only javascript runtime to hit no.1 on techempower 🔥

A compact, embeddable scripting engine for applications and microcontrollers for executing programs written in a subset of the JavaScript language.

A tiny JavaScript runtime

A modern runtime for JavaScript and TypeScript.

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

QuickJS, the Next Generation: a mighty JavaScript engine

Escargot is a memory optimized JavaScript engine for mid-range devices such as mobile phone, tablet and TV.

A from-scratch experimental AOT JS engine, written in JS

The official GitHub mirror of the Chromium source

Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org. How to contribute: https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html