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

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  • 1

    MinGW - Minimalist GNU for Windows

    A native Windows port of the GNU Compiler Collection (GCC)

    MinGW: A native Windows port of the GNU Compiler Collection (GCC), with freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All of MinGW's software will execute on the 64bit Windows platforms.
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    Downloads: 3,003,746 This Week
    Last Update:
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  • 2
    PSeInt

    PSeInt

    A tool for learning programming basis with a simple spanish pseudocode

    PSeInt is a pseudo-code interpreter for spanish-speaking programming students. Its main purpose is to be a tool for learning and understanding the basic concepts about programming and applying them with an easy understanding spanish pseudocode.
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    Downloads: 19,569 This Week
    Last Update:
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  • 3
    BASIC-256
    BASIC-256 is an easy to use version of BASIC designed to teach anybody how to program. A built-in graphics mode lets them draw pictures on screen in minutes, and a set of easy-to-follow tutorials introduce programming concepts through fun exercises, 2021-08-05 - Ubuntu and other LINUX users can install the latest version with snap: sudo snap --beta basic256
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    Downloads: 255 This Week
    Last Update:
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  • 4
    An implementation of DSSSL, a style language to format SGML or XML documents. OpenJade contains backends for various formats (RTF, HTML, TeX, MIF, SGML2SGML, and FOT). This project also maintains OpenSP.
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    Downloads: 345 This Week
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  • 5
    ooRexx (Open Object Rexx)
    Home of the Open Object Rexx Project. ooRexx is the open source version of IBM's Object REXX Interpreter. It is upwardly compatible with classic REXX and will execute classic REXX programs unchanged. The project is managed by the Rexx Language Association.
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    Downloads: 187 This Week
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  • 6
    FreeMat
    Freemat is an interpreted, matrix-oriented development environment for engineering and scientific applications, similar to the commercial package MATLAB. Freemat provides visualization, image manipulation, and plotting as well as parallel programming.
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    Downloads: 130 This Week
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  • 7
    ScummVM

    ScummVM

    A cross-platform interpreter for many point-and-click adventure games

    ScummVM is a cross-platform interpreter for many point-and-click adventure games. This includes LucasArts SCUMM games (such as Monkey Island 1-3, Day of the Tentacle, Sam & Max, ...), many of Sierra's AGI and SCI games (such as King's Quest 1-6, Space Quest 1-5, ...), Discworld 1 and 2, Simon the Sorcerer 1 and 2, Beneath A Steel Sky, Lure of the Temptress, Broken Sword 1 and 2, Flight of the Amazon Queen, Gobliiins 1-3, The Legend of Kyrandia 1-3, many of Humongous Entertainment's children's SCUMM games (including Freddi Fish and Putt Putt games) and many more. The project mailing lists have been moved to http://lists.scummvm.org The project tracker has been moved to https://bugs.scummvm.org
    Downloads: 164 This Week
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  • 8
    The Python programming language for S60 mobile phones.
    Downloads: 32 This Week
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  • 9
    Gambas
    A Graphical Developement Environment based on a Basic Interpreter with object extensions.
    Downloads: 18 This Week
    Last Update:
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  • 10
    Squirrel is a light weight programming language featuring higher-order functions,classes/inheritance,delegation,tail recursion,generators,cooperative threads,exception handling, reference counting and garbage collection on demand. C-like syntax.
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    Downloads: 32 This Week
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  • 11
    BASIC-256 Portable

    BASIC-256 Portable

    BASIC language and IDE for Education - Portable

    BASIC-256 is an easy to use version of BASIC designed to teach anybody how to program. A built-in graphics mode lets them draw pictures on screen in minutes, and a set of easy-to-follow tutorials introduce programming concepts through fun exercises. This is the portable version of BASIC-256 to integrate into the Potable Apps menuing system.
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    Downloads: 30 This Week
    Last Update:
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  • 12

    PythonQt

    Dynamic Python binding for Qt Applications

    NOTE: PythonQt has been moved to https://github.com/MeVisLab/pythonqt PythonQt is a dynamic and lightweight script binding of the Qt framework to the Python language. It can be easily embedded into Qt applications and makes any QObject derived object scriptable via Python without the need of wrapper code generation.
    Downloads: 9 This Week
    Last Update:
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  • 13
    Simple Turtle LOGO

    Simple Turtle LOGO

    Free Educational Tool for Beginner LOGO Coding (STEM Students / Kids)

    SIMPLE TURTLE ================ Create simple LOGO programs with commands to control the Turtle and draw amazing images!! Use for STEM, Coderdojo or similar coding events. Recursive REPEAT statements. INSTANT ON / OFF = Turns on / off immediate execution of commands FD x = Forward x pixels BK x = Backward x pixels RT x = Right by x degrees LT x = Left by x degrees PU = Pen Up (Do not draw) PD = Pen Down (Draw) REPEAT x = Creates a loop to run x times which runs any commands within the loop. Place END or ] when closing loop. END or ] = Closes a REPEAT loop. (can be nested) PEN x = Color of pen (0 - 9) SETBG x = Color of background (0 - 9) CS - Clear screen CT - Center Turtle (Return to Home position) RUN = Runs the current list of commands shown on screen DELETE / DEL = Clears the command list RESET = Clears commands and resets your Turtle SAVE filename = Saves a png of the working graphic to your documents folder QUIT
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    Downloads: 19 This Week
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  • 14
    The XPS is a scalable platform for meta-programming and domain engineering. It provides a virtual machine, compiler, and runtime library that make it possible to efficiently develop, debug, and run programs based on XPL (eXtensible Programming Language)
    Downloads: 29 This Week
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  • 15
    KonsolScript: Automate and Orchestrate

    KonsolScript: Automate and Orchestrate

    Embeddable scripting runtime for live behavior, AI, and automation.

    KonsolScript is an embeddable scripting runtime for games, tools, automation, and AI-driven applications. Add a live scripting layer to any C++ application. Hot-reload behavior, patch running apps, and orchestrate AI workflows - without rebuilding or redeploying the binary. Ship once. Evolve forever. Key capabilities: - Embed into any C++ app with a single header - Hot-reload scripts at runtime without restarting - AI-safe: validate or reject scripts before execution - Orchestrate LLMs (OpenAI, Claude, Gemini, Ollama) in .ks scripts - Built-in: String, File, JSON, CSV, Math, Regex, and more - Plugins: HTTP, SQLite, MySQL, TCP, Redis, Crypto, JWT, Zip - Push behavior updates to remote instances over TCP Use cases: - Scriptable game engines (hot-patch rules mid-session) - AI event bridges (natural language to live app behavior) - Automation pipelines (CI, log triage, file processing) - LLM orchestration workflows Docs: https://konsolscript.sf.net/kookbook.html
    Downloads: 7 This Week
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  • 16
    class derivable embedded scripting engine for near real-time and state-event applications.
    Downloads: 20 This Week
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  • 17
    An XQuery and XPath 2.0 library, written in C++ and built on top of Xerces-C.
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    Downloads: 20 This Week
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  • 18
    Mozart-Oz Programming System

    Mozart-Oz Programming System

    Runtime and development environment of Oz

    The Mozart Programming System is an open source implementation of the programming language Oz 3. Oz is a multi-paradigm language that supports declarative programming, object-oriented programming, constraint programming, concurrency and distributed programming as part of a coherent whole.
    Downloads: 11 This Week
    Last Update:
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  • 19
    OpenGLide is a Glide to OpenGL wrapper. It emulates a Voodoo board so you can run old Windows Glide games by translating Glide calls into OpenGL. The CVS code moved to https://github.com/fcbarros/openglide.
    Downloads: 11 This Week
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  • 20
    The Open VXI VoiceXML interpreter is a portable open source library that interprets the VoiceXML dialog markup language. It is designed to serve as a reference for parties interested in understanding how VoiceXML markup might be executed.
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    Downloads: 19 This Week
    Last Update:
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  • 21
    Delphi : VRCalc++ OOSL (Script) and more

    Delphi : VRCalc++ OOSL (Script) and more

    Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)

    Vincent Radio {Adrix.NT} Sources Library & Applications : Delphi C++ Java VRCalc++ C# VRCalc++ Object Oriented Scripting Language - Engine Source Pascal Code - Delphi Packages Build Prjs - VRCalc++ Scripted System Std RT Library - Guides & Docs (CHM, PDF, DOCX) - VCL & FMX (FireMonkey) Support - Script Test Code (Lang RTL VCL FMX) - Visual Stage Project : VCL & FMX Paged Lists & Iterators : Delphi C++ Java C# Multi-Dim Arrays & Direct Graph Classes : Delphi C++ Java VRCalc++ C# Delphi Drag&Drop Applications - VRCalc++ Script Executors: Terminal, VCL, FMX - VRMultiEdit - VRLazyCodeEditor - VR Astro Vision (Astrology) - Paged List Test - VRMosaic : Delphi C++Builder Java C# +with auto resolver - VR Free Chess 2D - VRBlocks - VRGraphStage - VR TTT OX + icons & bitmaps + VCL VisualStyles + Build Projects + instructions to build projects to build projects - Delphi : RAD Studio - C++ : Dev-C++ - java : NetBeans - C# : MS/VS adrixnt@hotmail.it
    Downloads: 5 This Week
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  • 22
    Wheat is a language and environment for creating dynamic web sites like blogs and portals: Every object has a URI, the virtual machine is a web server, and the development environment is a Wiki!
    Downloads: 8 This Week
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  • 23
    LLVM is a unique compiler infrastructure designed for the optimization of programs from arbitrary programming languages. Compilation in C and C++ programs is supported using a parser based on GCC 3.4. Backends exist for X86, Sparc, PowerPC and "C".
    Downloads: 13 This Week
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  • 24
    Compiler, Interpreter and Docs for Superx++: the general purpose object-oriented programming language based on XML. Superx++ conforms fully to the XML 1.0 specification and is ideal for manipulating XML and other markup language documents.
    Downloads: 13 This Week
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  • 25
    CppCC is an object-oriented scanner and LL(k) parser generator. It aims to replace LEX&YACC for those who write C++ applications that involve parsing.
    Downloads: 11 This Week
    Last Update:
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