Open Source C++ Interpreters

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.

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.

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.

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.

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

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.

GDL - GNU Data Language, a free IDL (Interactive Data Language, see http://ittvis.com/idl/) compatible incremental compiler.

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

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.

A Graphical Developement Environment based on a Basic Interpreter with object extensions.

The Python programming language, an object-oriented scripting and rapid application development language. You can download it from http://www.python.org/download

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.

Xconq is an engine for turn-based strategy games. Variety of game genres run under Xconq: historical, sci-fi, fantasy, and modern. AIs. Network games. Multiple UIs and platforms. Easy-to-learn game design language. Large games library available

The Python programming language for S60 mobile phones.

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.

An XQuery and XPath 2.0 library, written in C++ and built on top of Xerces-C.

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.

OTcl, short for MIT Object Tcl, is an extension to Tcl/Tk for object-oriented programming. TclCL (Tcl with classes) is a Tcl/C++ interface used by Mash, vic, vat, rtp_play, ns, and nam. It provides a layer of C++ glue over OTcl.

Yazoo is a command-line scripting language and a wrapper for co-compiled C routines. Variables, functions, sets, structures, etc. are all the same thing in Yazoo -- this gives it simplicity and significant flexibility. Yazoo is obsolete! Its much-improved successor is Cicada script, which can be found at: https://github.com/heltilda/cicada/tree/master

Serpent is a real-time scripting language inspired by Python but completely reimplemented to support real-time garbage collection and multiple instances of the virtual machines running on independent threads.

OPL is an interpreted language targeted at Symbian OS phones. OPL is an entry-level development tool that enables rapid development of applications. OPL consists of phone-side code (runtime and translator) and PC-side code (translator and tools).

A runtime parser generator library, generates parsers for context-free grammars. Parsing scripting languages and communication protocol messages are typical use cases. The library is written in straight C++ and requires STL. Clean, correct, efficient.

nuBASIC is an implementation of an interpreter of the BASIC programming language and IDE. It has been designed mainly for educational purposes and it is suitable for simple games, educational or small business programs.

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.

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