Compilers for MS-DOS

Browse free open source Compilers and projects for MS-DOS below. Use the toggles on the left to filter open source Compilers by OS, license, language, programming language, and project status.

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  • 1
    Free Pascal Compiler

    Free Pascal Compiler

    Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler

    A 32/64/16-bit Pascal compiler for Win32/64/CE, Linux, Mac OS X/iOS, Android, FreeBSD, OS/2, Game Boy Advance, Nintendo NDS and DOS; semantically compatible with Delphi, Borland Pascal and Mac Pascal (partially) with extra features, e.g. operator overloading.
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    Downloads: 21,487 This Week
    Last Update:
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  • 2
    FreeBASIC Compiler
    Open-source, free, multi-platform BASIC compiler, with syntax similar MS-QuickBASIC (including the GFX statements), that adds new features such as pointers, unsigned data types, inline assembly, a pre-processor and many others.
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    Downloads: 1,674 This Week
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  • 3
    JWasm is a Masm-compatible assembler. It supports 16-, 32- and 64-bit code, instructions up to AVX and various output formats. It's written in C.
    Downloads: 28 This Week
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  • 4
    4tH compiler

    4tH compiler

    A Forth compiler with a little difference

    4tH is a Forth compiler with a little difference. Instead of the standard Forth engine it features a conventional compiler. 4tH is a very small compiler that can create bytecode, C-embeddable bytecode, standalone executables, but also works fine as a scripting language. It supports about 95% of the ANS Forth CORE wordset and features conditional compilation, pipes, files, assertions, forward declarations, enumerations, structures, suspended execution, recursion, include files, etc. It comes with an RPN calculator, BASIC interpreter, line editor, preprocessor, compiler, decompiler, C-source generator, a virtual machine, and a multitasking environment.
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    Downloads: 78 This Week
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  • DAT Freight and Analytics - DAT Icon
    DAT Freight and Analytics - DAT

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  • 5
    The GNU Ada compiler
    This project currently provides the GNAT Studio Ada development environment, packaged for macOS. For a source of the compiler and software packages, for various operating systems, see https://ada-lang.io and Alire. For up-to-date releases of the GNAT compiler packaged for macOS, see https://github.com/simonjwright/distributing-gcc/releases. Older releases are retained for historical reasons.
    Downloads: 11 This Week
    Last Update:
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  • 6
    DOS/32 Advanced DOS Extender is a drop-in replacement for the DOS/4GW DOS Extender and compatibles. Being fast, small and flexible DOS/32A can be used in many environments, from embedded systems to DOS emulators, by both developers and end users alike.
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    Downloads: 32 This Week
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  • 7
    Compiler for high level language for Microchip PIC microcontrollers
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    Downloads: 18 This Week
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  • 8
    helpdeco dissects HLP help files (WinHelp) of Windows 3.0, 3.1, 3.11, and '95 and many MVB multi media viewer titles into all files required for a rebuild using the appropriate help compiler HC30, HC31, HCP, HCW, HCRTF, WMVC, MMVC or MVC.
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    Downloads: 18 This Week
    Last Update:
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  • 9
    Fast and efficient self-assembling 80x86 assembler for DOS/Win32/Linux; with 8086-80486/Pentium/MMX/SSE/AVX/XOP instructions support, 16-bit/32-bit/64-bit code, binary/MZ/PE/COFF/ELF output formats.
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    Downloads: 18 This Week
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  • 10
    MinForth

    MinForth

    A minimalistic but complete standard Forth compiler in C

    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
    Downloads: 17 This Week
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  • 11

    VolksForth

    A small, self-hosting 16bit Forth system

    VolksForth is a 16bit Forth System with the goal to produce a manageable Forthsystem for computer systems with restricted system resources.
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    Downloads: 3 This Week
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  • 12

    ECMA-55 Minimal BASIC compiler

    BASIC Compiler and Interpreter

    John's Mutant contains several projects. The current project is an ECMA-55 Minimal BASIC compiler for Linux systems using AMD64 compatible CPUs. You can download the MinimalBASIC compiler source in the Files section.
    Downloads: 2 This Week
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  • 13
    A small educational compiler for a subset of the Pascal language. A native x86 machine code generator directly emits COM executables for MS-DOS. The compiler supports VGA graphics, floating-point arithmetic, etc. 32-bit Pascal source is provided.
    Downloads: 2 This Week
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  • 14
    Development environment for OS/2 and DOS
    Downloads: 1 This Week
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  • 15
    Adventure Definition Langage (ADL) - a language used to create text adventures similar to Zork and other Infocom games.
    Downloads: 1 This Week
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  • 16
    A full development kit, based on XSCompiler. Multi-platform compiler and IDE, many libraries and examples. Uses an innovative programming language, an improved version of the standard and well-known C/C++.
    Downloads: 1 This Week
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  • 17
    Aims at bringing the QuickBASIC language to the GNU platforms.
    Downloads: 1 This Week
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  • 18
    UltraBasic is a QBasic compatible compiler, written originally by Gabriel Fernandez, and continued until 2004 by Angelo Rosina. It was hosted on Geocities, and has been moved here because of Geocities shutdown. Source code is in QB PDS 7.
    Downloads: 1 This Week
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  • 19
    crossemx

    crossemx

    EMX compiler hosted on Win32

    I'm taking various older versions of the OS/2 based EMX port of GCC and re-hosting them on Win32. This way I can use multiple core machines to build my OS/2 side projects.
    Downloads: 1 This Week
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  • 20
    ACC
    David Ashley's C compiler has now been GPL'd. This includes the full source, some demo programs, along with some minor changes... ACC builds 32bit exe's using TRAN's PMODE dos extender for MS-DOS.
    Downloads: 0 This Week
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  • 21
    ANASM is an assembler , which is written completely in assembly language.
    Downloads: 0 This Week
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  • 22
    A compiler which translated AspectFun program into Haskell.
    Downloads: 0 This Week
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  • 23
    Forth compiler for the Compiled Virtual Machine
    Downloads: 0 This Week
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  • 24
    The Developer Resources Sega Genesis and Super Nintendo development tools and libraries In 1992 I (Kevin Seghetti) and some friends had a company (Developer Resources) which provided development tools for the Sega Genesis and the Super Nintendo console
    Downloads: 0 This Week
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  • 25
    Draak is a multi-language, macro compiler, meaning all syntax and code generation is defined in a single file. Draak is a single binary that is able to compile any context free language (like C, Pascal, Java) for any platform with only 1 file.
    Downloads: 0 This Week
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