Browse free open source JavaScript Interpreters and projects below. Use the toggles on the left to filter open source JavaScript Interpreters by OS, license, language, programming language, and project status.

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  • 1
    A simple, intuitive Javascript keyboard for Indic Languages such as Hindi, Sanskrit and Gujarati, based on Unicode characters.
    Downloads: 2 This Week
    Last Update:
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  • 2
    KAREL 3D

    KAREL 3D

    Learning programming language for kids

    This is learning programming language for children Karel-3D. By words from LightBot: "Get kids hooked on coding with minutes!" Created by Karel 3D from the 8-bit microcomputer PMD 85-2 in 1986. His later version of Karel the Robot in 3D, created first in the Slovak Republic. JavaScript variant include only one small HTML file tested and works on all devices with keyboard and full JavaScript support in internet browser, or alternative pre-compiled JAVA V8 .jar file with webEngine and JavaFX and code in string. ZIP Contains examples in TXT file. More pictures and examples is here at Wiki. Wiki include ZIP with scan of original historical manuals in Slovak language from years 1987 - 1990 Today exist some variants (not mine) like: LightBot or Swift Playgrounds on tablets. Karel 3D from Version 8 is different from other Karels, can bulid a Bridges. WebGL version: https://sourceforge.net/projects/karel-3d-webgl/ C++ version: https://sourceforge.net/projects/karel-3d-cpp/
    Downloads: 2 This Week
    Last Update:
    See Project
  • 3
    NJS is an independent implementation of the JavaScript language developed by Netscape and standardized by ECMA. It is designed to be re-entrant, extendible, fast, and programmable.
    Downloads: 1 This Week
    Last Update:
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  • 4
    V1 Script

    V1 Script

    A Script Language for Web, Linux and Windows

    V1 is a simple functional interpreter language with syntax from C, PHP and JavaScript. It was developed from the scratch. The focus is on simple administrative and experimental programming, but it has enhanced benefits like Multithreading, CGI, Web functions and Native function calling. The most buildin functions are compatible with PHP, for example fopen(). The current Version 0.96 is available for Windows (32 Bit, WinXP, Win7, Win10+), Linux (x86, 64 Bit, libc 2.2) and Linux (ARM, 32 Bit, libc 2.28). Tested ARM systems: Raspberry Pi Zero, Banana Pi Zero.
    Downloads: 1 This Week
    Last Update:
    See Project
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    VDMPad

    VDMPad

    a simple Web IDE for VDM-SL

    VDMPad is a simple Web IDE server for VDM-SL based upon VDMJ and Squeak Smalltalk. You can launch a VDMPad Server on your Mac or Linux PC and open "http://localhost:8085" with your browser. Although VDM does NOT run on Windows platforms, you can use Windows/iOS/Android devices to open VDMPad running on Mac or Linux server.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    Askari is a custom version of the Mozilla Rhino Javascript Engine optimized for use in standalone applications and servlets. It is easily extensible either with Java libraries (SWT is bundled) or by adding to the included JavaScript library framework.
    Downloads: 0 This Week
    Last Update:
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  • 7
    The project aims to extend the PHP scripting language to enable PHP developers to write bioinformatics applications more rapidly than if they had to start from scratch using \"vanilla php\".
    Downloads: 0 This Week
    Last Update:
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  • 8
    Are you a fan of FORTH/RPN math? Need an easy, quick way to access files, do calculations, or just about anything else on your computer? Enter CUE (abrv. Q). Optimized for short, quick programs this language can be used for many different chores.
    Downloads: 0 This Week
    Last Update:
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  • 9
    The DCN Toolkit contains the DCN Interpreter for processing XML datastreams in a CORBA/ECMA compliant environment. See http://www.dataconsortium.org for information about the Data Consortium Namespace and its RDF Dictionary.
    Downloads: 0 This Week
    Last Update:
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  • 10
    A perl script that parses given JavaScript source files for documentation in JavaDoc style, and generates HTML description page about functions, its parameters, etc.
    Downloads: 0 This Week
    Last Update:
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  • 11
    ESA Provides a wrapper around the .NET scripting engine which adds support for hosting the scripting engine in a seperate AppDomain, and includes a Design-time environment for applications.
    Downloads: 0 This Week
    Last Update:
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  • 12
    ESMJS, Enhanced SpiderMonkey JavaScript, (will) provide an easy way to integrate Javascript Plugins into C applications.
    Downloads: 0 This Week
    Last Update:
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  • 13
    Clean, small, ECMA-262 compliant core javascript interpreter written in c++.
    Downloads: 0 This Week
    Last Update:
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  • 14
    The Esoteric Project is a project devoted to providing interpreters and/or compilers for every Turing-complete Esoteric Programming Language.
    Downloads: 0 This Week
    Last Update:
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  • 15
    Javascript bindings for C++, a Javascript interpreter/shell & Javascript/C++ module system. It includes a few Javascript classes and modules. It supports easy embedding of Javascript in C++ and vice versa. The currently supported engine is Spidermonkey.
    Downloads: 0 This Week
    Last Update:
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  • 16

    Hellsing

    Distributed JavaScript Engine

    Hellsing is a distributed JavaScript engine.
    Downloads: 0 This Week
    Last Update:
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  • 17
    Put Java code embedded in your HTML pages, executed client-side (as old JavaScript) with all its power and ease of use (a lot MORE than old JavaScript)!!!
    Downloads: 0 This Week
    Last Update:
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  • 18
    JFolder is a web-based application development and management tool. It allows users to create applications through a web browser without writing any code. The current release includes an implementation of the Pet Store written without code.
    Downloads: 0 This Week
    Last Update:
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  • 19
    JLog is a Prolog interpreter written in Java. It is fast and perfectly suited for education. It includes source editor, query panels, online help, animation primitives, and a GUI debugger. JScriptLog is Prolog in JavaScript.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    This project implements turtle graphics in Javascript, with the intent to help teach young children the basics about programming.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    JSGold is a GOLD Parser Engine in C++ for generating context-free grammar parsers in javascript.
    Downloads: 0 This Week
    Last Update:
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  • 22

    Jainja

    Jainja is a JVM (Java Virtual Machine) written in Java

    Jainja is a JVM (Java Virtual Machine) written in Java. The VM is developed by using the smallest possible subset of Java in order to run on top of multiple environments : Java SE, JavaME, Android, Javascript, and even natively.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    A Javascript MSX-BASIC translator. Run simple MSX-BASIC code directly in the browser, or even embed MSX-BASIC programs on your website :)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Please visit our website at http://www.8ung.at/javafusion for more information.
    Downloads: 0 This Week
    Last Update:
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  • 25
    Making Mozilla Spidermonkey usable from the Shell or in CGI-Scripts, or...
    Downloads: 0 This Week
    Last Update:
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