Open Source MS-DOS Interpreters

Agena is an easy-to-learn procedural programming language suited to be used in scientific, mathematical, scripting, networking, and many other applications. Binaries are available for Solaris, Windows, Linux, OS/2, Mac OS X, Raspberry Pi and DOS.

The Bywater BASIC Interpreter (bwBASIC) implements a large superset of the ANSI Standard for Minimal BASIC (X3.60-1978) and a significant subset of the ANSI Standard for Full BASIC (X3.113-1987) in C.

VolksForth is a 16bit Forth System with the goal to produce a manageable Forthsystem for computer systems with restricted system resources.

RPilot is a GPL'ed implementation of the IEEE-standard language PILOT. It is an interpreter written in ANSI C, and will work on any system with a standard C compiler

The Vortex project consists of 2 things. The Vortex OS and VParse. The OS is multitasking and handles a lot of features. VParse is a stand alone Vertex2 parser. Vertex is vortex's scripting language. Pre 0.7 is QBasic and 0.7 is C++.

Adventure Definition Langage (ADL) - a language used to create text adventures similar to Zork and other Infocom games.

MinForth V3.4 is a classic Forth system with command-line interface. Development resource requirements are minimal. A source text editor and a C compiler are sufficient. By design no toolchain is required to adapt or rebuild MinForth. A complete rebuild takes only few seconds. Current sources are for Windows and Linux (32-bit or 64-bit). MinForth primitive definitions are written in mixed Forth and C language and are transpiled to pure C code. Main but not exclusive application for the transpiler is to build the MinForth V3.4 high-level Forth compiler. MinForth V3.4 is widely conformant to the Forth-2012 draft standard and passes the usual test suites. Feedback and bug reports are welcome per - Usenet forum https://groups.google.com/forum/#!forum/comp.lang.forth - email to minforth@gmx.net

BASIC interpreter for the standard (SUS) character screen handling library, which fully corresponds to the Tiny BASIC standard. The code is thread-safe and can be embedded into other code. Can be used as a game or a minimalist challenge.

FOML is an expressive logic rule language that supports object modeling, analysis, and inference. It naturally supports model-level activities, such as constraints (extending UML diagrams), dynamic compositional modeling, analysis and reasoning about models, model testing, design pattern modeling, specification of Domain Specific Modeling Languages, and meta-modeling. FOML can reason about: 1. The model meta-data (meta-model level reasoning, or syntax reasoning) 2. Data level: reason about a model and its data (instance model, i.e., diagram) FOML is built as a semantic layer on top of PathLP - a compact logic rule language of guarded path expressions, an adaptation of a subset of F-logic.

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.

Napoleon Brandy is development of David Daniels Brandy basic, an interpreter for BBC Basic (or Basic V), This project can not claim ANSI C compliance as Brandy Basic did, but supports Graphics for the platforms implemented. OS currently supported are Win32 and DOS. Currently a preview release as it is functionally incomplete.

CPP-2-HTML is a DOS command-line utility that formats C++ source code into HTML pages. It uses an external Cascading Style Sheet, "cpp.css" so that the user may set up any formatting/coloring choices.

GeneralScript is a lightweight general purpose scripting engine which provides Scheme like syntax.

The Lcomp Scripting Engine is a scripting engine written in Visual BASIC for DOS 1.0 that can be used by a programmer to write automatated scripts to perform routine actions in DOS. It can be used as a simple automation tool or a vast programming language

A very easy to use programming language for beginners . A bit like BASIC but the target is to make it compileable and it is more linked with the english language. Maybe we'll do translations were the synthax is translated too. FOR DOS/WIN . License: MIT

A minimal Logo implementation. Mainly for children at the age of 8-14. Easy to use. First releases work only in Hungarian language.

NLBasic - The Natural Language BASIC.

NSP is the complete object-based scripting language written in just a few thousand lines of ansi c. It's portable, thread-safe, flexible, embeddable, expandable and easy to understand (as a language and as an API).

A Portable Forth. It is aimed to be interpreted, or compiled to various architectures and VMs.

To develop a simple scripting language engine (SIL) to run under MS-DOS console, Win32, and Linux console.

Development of a fully-conforming implementation of a compiler for the Sirius programming language.

Snack combines a high-level object oriented language (think JavaScript) with a bytecode execution engine. An example air traffic control game (a port of the classic ATC) and a text adventure framework are included.

Tyro is a very high level programming language designed mainly for the beginners of the programming. It makes life easier for the programming newbies.

The goal of this project - to create a TinySCHEME binaries for some kind of platforms. Now there are binaries for DOS / DJGPP and MinGW / MSYS / Win32, working on x86 architecture.

TinyTcl is a tiny version of Tcl, for small footprint machines and embeddable/rommable applications. It is derived from Tcl 6.7 and compiles to less than 60K, 10X smaller than Tcl 7 and Tcl 8.