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.

  • Failed Payment Recovery for Subscription Businesses Icon
    Failed Payment Recovery for Subscription Businesses

    For subscription companies searching for a failed payment recovery solution to grow revenue, and retain customers.

    FlexPay’s innovative platform uses multiple technologies to achieve the highest number of retained customers, resulting in reduced involuntary churn, longer life span after recovery, and higher revenue. Leading brands like LegalZoom, Hooked on Phonics, and ClinicSense trust FlexPay to recover failed payments, reduce churn, and increase customer lifetime value.
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  • Award-Winning Medical Office Software Designed for Your Specialty Icon
    Award-Winning Medical Office Software Designed for Your Specialty

    Succeed and scale your practice with cloud-based, data-backed, AI-powered healthcare software.

    RXNT is an ambulatory healthcare technology pioneer that empowers medical practices and healthcare organizations to succeed and scale through innovative, data-backed, AI-powered software.
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  • 1
    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
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  • 2
    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
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  • 3
    JSGold is a GOLD Parser Engine in C++ for generating context-free grammar parsers in javascript.
    Downloads: 0 This Week
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  • 4
    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
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  • MicroStation by Bentley Systems is the trusted computer-aided design (CAD) software built specifically for infrastructure design. Icon
    MicroStation by Bentley Systems is the trusted computer-aided design (CAD) software built specifically for infrastructure design.

    Microstation enables architects, engineers, and designers to create precise 2D and 3D drawings that bring complex projects to life.

    MicroStation is the only computer-aided design software for infrastructure design, helping architects and engineers like you bring their vision to life, present their designs to their clients, and deliver their projects to the community.
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  • 5
    Please visit our website at http://www.8ung.at/javafusion for more information.
    Downloads: 0 This Week
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  • 6
    Making Mozilla Spidermonkey usable from the Shell or in CGI-Scripts, or...
    Downloads: 0 This Week
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  • 7
    KAREL 3D WebGL

    KAREL 3D WebGL

    Children's learning programming language Karel the Robot in 3D

    KAREL 3D written in JavaScript with WebGL is a children's programming language for teaching algorithms. This is later variant from Karel the Robot in 3D, created in 1986 for 8bit microcomputer PMD 85-2. Support full recursion, create new commands, complex commands with condition from dialog and direct control with keys, language translation. Objects: brick, wall, mark, fence. Check out the Wiki (here) for more examples and pictures. Include ZIP with original historical manuals in Slovak language from years 1987 - 1990 Writen in HTML for fast universal use, including JavaScript code with Three engine. After download and unzip, runable (run html file) without installation in internet browser. Tested in EDGE and Chrome. Version without WebGL, and just as one file (+ include examples in text file): https://sourceforge.net/projects/karel-3d/ C++ version: https://sourceforge.net/projects/karel-3d-cpp/
    Downloads: 0 This Week
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  • 8
    Everything is XML - Everything is possible - Keep it simple
    Downloads: 0 This Week
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  • 9
    The Maksi is a library that provides scripting infrastructure for Qt applications. The scripting languages are implemeted with plugins, and scripts are defined in xml config. In addition, the Maksi provides object model, inspired by XML Schema.
    Downloads: 0 This Week
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  • AestheticsPro Medical Spa Software Icon
    AestheticsPro Medical Spa Software

    Our new software release will dramatically improve your medspa business performance while enhancing the customer experience

    AestheticsPro is the most complete Aesthetics Software on the market today. HIPAA Cloud Compliant with electronic charting, integrated POS, targeted marketing and results driven reporting; AestheticsPro delivers the tools you need to manage your medical spa business. It is our mission To Provide an All-in-One Cutting Edge Software to the Aesthetics Industry.
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  • 10
    The MathExt library was made to parse and calculate formulas of any complexity. It can easily be integrated into web applications. As developer you can set all kind of settings. You can even specify what commands should be available to the user.
    Downloads: 0 This Week
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  • 11
    Build automation and Package management system
    Downloads: 0 This Week
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  • 12
    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: 0 This Week
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  • 13
    NetScripter is a web-based cross-browser interpreter compatible with NScripter, it is suitable for presentations, games and interactive webpages.
    Downloads: 0 This Week
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  • 14
    OpenJX is a Java XML form language similiar to Flex. In a few simple lines of XML and Javascript, a developer can create a fully featured Java application or applet. OpenJX also features a network based plugin system which is extremely powerful.
    Downloads: 0 This Week
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  • 15
    Lightweight XML processor; XML-POJO mapping via Java5 annotations or DTD; Preprocessing of XML documents using expression language; Binary XML; RMI friendly XML; JSON format support; XML marshall/unmarshall; HTML as XML parser; Swing XML Viewer
    Downloads: 0 This Week
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  • 16
    PyREXX is a interprocess messaging server for routing remote prodecure calls using xml-based messages (Jabber, XML-RPC, etc), which will allow programs to interact more easily.
    Downloads: 0 This Week
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  • 17
    RockScript is the world's smallest Java-based JavaScript interpreter, runs smoothly in any J2ME phones. The binary size of core engine including native objects/methods is less than 25K (obfuscated & JAR'ed). It can be integrated into any J2ME apps.
    Downloads: 0 This Week
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  • 18
    Scripter is the core scripting engine of the latest Diabloworld project, JED, created by Ben Thompson (smoke). The purpose of this project is to build and provide a solid scripting engine for Diablo II.
    Downloads: 0 This Week
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  • 19
    Seppia is a simple Java technology for building an application from constituent parts. Seppia will challenge the way you think of Java based component computing.
    Downloads: 0 This Week
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  • 20
    Smee allows ECMAScript to be used as an extension language for Smalltalk applications.
    Downloads: 0 This Week
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  • 21
    Snurt is a programming environment and platform for the web. Use it to write and run simple or complex web applications using only a browser. Snurt programs are written in JavaScript using Mozilla Rhino. Snurt is written in JSP (Java Server Pages).
    Downloads: 0 This Week
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  • 22
    SpiderApe is a C++ wrapper around SpiderMonkey, Mozilla's C-based JavaScript engine (http://mozilla.org/js). It takes advantage of C++'s features to simplify the process of embedding SpiderMonkey into your C++ applications.
    Downloads: 0 This Week
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  • 23
    SuperClass is a JavaScript pre-processor/interpreter object, designed to facilitate class-based OOP in JavaScript. NOTE: Project is closed. Replaced by: http://sourceforge.net/projects/jsclass
    Downloads: 0 This Week
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  • 24
    ExtXL is to help dynamic web pages(JSP,Velocity) to affiliate with extjs v2.0(extjs.com,openext.sf.net).We provide an IoC(Inversion of Control) engine and a set of mappers for most of ext widgets that automatically generate widgets in XHTML format.
    Downloads: 0 This Week
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  • 25
    Trison has the goal to become a template engine with support of php, java and the transform ability to javascript to intergrate client/serverside generation of code.
    Downloads: 0 This Week
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