GraalJS is an ECMAScript-compliant JavaScript engine implemented in Java on top of GraalVM. It runs JavaScript and Node.js applications while offering interoperability with Java and other languages supported by the GraalVM ecosystem.
The engine is available as Maven artifacts for embedding in Java applications and as standalone native or JVM-based distributions. Community builds are available for Linux on x86-64 and AArch64.
This is free and open source software.
Key Features
- Compatibility with the ECMAScript 2026 specification.
- Runs JavaScript and unmodified Node.js applications.
- Supports many npm packages, including modules with native implementations.
- Provides bidirectional interoperability between JavaScript and Java.
- Offers WebAssembly interoperability through the JavaScript WebAssembly API.
- Embeds JavaScript in Java applications through the GraalVM Polyglot API.
- Available as Maven artifacts from Maven Central.
- Provides native and JVM-based standalone distributions.
- Includes an interactive JavaScript shell.
- Supports migration from Nashorn and Rhino-based applications.
- Offers Linux binaries for x86-64 and AArch64 systems.
Website: github.com/oracle/graaljs
Support:
Developer: Oracle
License: Universal Permissive License v1.0
GraalJS is written in C++ and C. Learn C++ with our recommended free books and free tutorials. Learn C with our recommended free books and free tutorials.
Related Software
| JavaScript Engines | |
|---|---|
| V8 | High-performance JavaScript and WebAssembly engine |
| SpiderMonkey | JavaScript and WebAssembly Engine, used in Firefox, Servo and more |
| QuickJS | Small and embeddable Javascript engine |
| Hermes | JavaScript engine optimized for React Native |
| Rhino | JavaScript in Java |
| JerryScript | JavaScript engine for the Internet of Things |
| GraalJS | ECMAScript-compliant JavaScript engine |
| Escargot | Lightweight JavaScript engine |
| Duktape | Embeddable JavaScript engine, focusing on portability and compact footprint |
| Elk | Tiny embeddable JavaScript engine |
Read our verdict in the software roundup.
 Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |
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