A list of JavaScript engines, runtimes, interpreters

• ChakraCore

  15 9,031 5.3 JavaScript

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

  

ChakraCore

• v8.dev

  72 914 7.4 JavaScript

  The source code of v8.dev, the official website of the V8 project.

  

V8

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• txiki.js

  8 2,331 8.9 C

  A tiny JavaScript runtime

txiki.js

• mujs

  5 762 5.7 C

  An embeddable Javascript interpreter in C.

MuJS

• bun

  288 70,488 10.0 Zig

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

  

Bun

• jerryscript

  14 6,824 5.6 C

  Ultra-lightweight JavaScript engine for the Internet of Things.

  

JerryScript

• engine262

  9 774 6.3 TypeScript

  An implementation of ECMA-262 in JavaScript

  

engine262

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• hermes

  42 9,369 9.8 C++

  A JavaScript engine optimized for running React Native.

  

Hermes

• graaljs

  17 1,619 9.9 C++

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

  

graaljs

• quickjs

  65 7,641 9.1 C

  Public repository of the QuickJS Javascript Engine.

QuickJS

• nashorn

  10 345 0.0 Java

  https://openjdk.org/projects/nashorn

  

nashorn

• tiny-js

  3 505 0.0 C++

  Automatically exported from code.google.com/p/tiny-js

tiny-js

• elk

  13 1,586 2.2 C

  A low footprint JavaScript engine for embedded systems (by cesanta)

  

elk

• rhino

  14 3,971 8.0 JavaScript

  Rhino is an open-source implementation of JavaScript written entirely in Java

  

Rhino

• napajs

  6 9,238 0.0 C++

  Napa.js: a multi-threaded JavaScript runtime

  

Napa.js

• just

  25 3,543 2.5 JavaScript

  the only javascript runtime to hit no.1 on techempower :fire: (by just-js)

  

just

• lo

  1 138 9.4 JavaScript

  it's JavaScript Jim, but not as we know it. :space_invader: (by just-js)

  

lo

• elsa

  4 2,633 2.4 TypeScript

  Discontinued ❄️ Elsa is a minimal, fast and secure runtime for JavaScript and TypeScript written in Go

  

elsa

• boa

  20 4,694 9.8 Rust

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

  

boa

• workerd

  37 5,681 9.9 C++

  The JavaScript / Wasm runtime that powers Cloudflare Workers

  

workerd

• dune

  9 334 7.1 Rust

  A hobby runtime for JavaScript and TypeScript 🚀 (by aalykiot)

dune

• mjs

  4 1,815 0.0 C

  Embedded JavaScript engine for C/C++

  

mjs

• Espruino

  9 2,703 9.7 C

  The Espruino JavaScript interpreter - Official Repo

  

Espruino

• SaaSHub

  www.saashub.com sponsored

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

  

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