Open Source 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.

A gdb-like debugger for bash

The TclPro tool set includes a graphical debugger, a static code checker, a wrapper to generate stand-alone executables, a "compiler" that writes out Tcl byte codes, and a loader that reads byte codes.

xacc.ide is a opensource IDE aimed at mainly .NET development. It has a code editor written in 100% C# code, which is faster than most commercial offerings.

A Zilog Z80 simulator, debugger and profiler tailored for ZX Spectrum development (but generic enough to be used with other platforms)

Jasmin is an interpreter for the x86 assembly language with a full-featured development environment aimed for educational purposes.

FAF-Basic Interpreter is a Basic Interpreter project written for Win32 or Linux. The Programmes can be interpreted in both systems.

Visual Lua is the Integrated Development Environment (IDE) for Lua language. You may use it for debugging the scripts written using wxLua library where the event-handling takes place. It supports multithreaded debugging as well.

UPS is a source level C, C++ and Fortran debugger with an X windows interface. It's a very light debugger, but is quite efficient and works well. An ANSI compliant C interpreter is included.

A FrameWork to develop Pascal Applications. This includes Integrated Development Environment (Rapid Application Development -RAD-), Virtual Machine, Web Services (Pascal Server Pages -PSP-) and too many tools

ASTRA is an implementation of AgentSpeak(TR) that has built in support for the CArTaGo and EIS environment models. Support for conversation management is provided in the form of the ACRE conversation manager.

Avrora is a suite of tools for analyzing and debugging programs for AVR microcontrollers. It has support for a sensor platforms such as Mica2 and MicaZ, allowing wireless network simulation and allows dynamic instrumentation and static analysis.

The BF Debugger Project is an attempt to allow the development of software using the Brainf*** programming language in a GUI development environment, and to provide a platform for the advancement and dissemination of this language.

BJCS CSharp IDE is written by BJ Erasmus and is a CSharp IDE. It's a very basic and easy to use IDE with a function that can be used to create an installation file of your project. Features: Syntax highlighting Edit Assembly info Compile with any .NET FrameWork Add an icon Add dll's Debugging function Basic auto-complete Tutorial Help Example codes/projects This program is still in development. It's currently available in a usable state

Brainfuck Center is an IDE and compiler for your Brainfuck scripts. It includes a full debugger with step-by-step debugging and much more. MDI window!

Parsing, interpreting, checking and profiling C application (ISO/IEC 9899:1999 (E))

Eclipse plugin for Prototyping Visual Interpreters and Debuggers for Domain-specific Languages.

ESELC is a interpreter for the Easy Stack Environment Language (ESEL). It is written in ISO C++.

LOLCode IDE plugin for Eclipse. LOLCode is a new humorous language designed to teach those new to programming, and to be enjoyed by the rest of us. This plugin does syntax highlighting, code folding, debugging and content assistance.

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.

ExpressionJ is a Java library allowing to interpret simple numeric expressions, which may be used in all applications which have to combine numeric values, but do not want to use full-blown scripting languages.

Tools to incrementally build customised Forth Virtual Machines for embedded applications. Token compiler converts token description into C code templates. PC console application includes FVM, it is used to compile and debug bytecodes for target FVM.

GLfunge98 - OpenGL-based *NIX/Win32-interpreter for Befunge93/Funge98 with dynamic extensions.

We extend the Eclipse IDE with tools for development in Haskell, a functional programming language, providing support for a wide range of tools (compilers, interpreters, doc tools etc.) in a coherent, convenient and configurable environment.

An official experimental fork of Python's integrated development environment IDLE. Worthwhile and successful changes and additions will go back into the Python distribution's IDLE at some later stage. There is no spanish inquisition.