Browse free open source Compilers and projects for Windows and Desktop Operating Systems 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
    Small Device C Compiler (SDCC)

    Small Device C Compiler (SDCC)

    The Small Device C Compiler (SDCC), targeting 8-bit architectures

    SDCC is a retargettable, optimizing standard C (ANSI C89 / ISO C90, ISO C99, ISO C11 / C17, ISO C23, ISO C2y) compiler that targets a growing list of architectures: STM8, MCS-51, DS390, HC08, S08, 6502, 65C02, Z80, Z80N, Z180, Rabbit, SM83, TLCS-90, eZ80, R800, Padauk PDK14 and PDK15 microprocessors. There also is incomplete support for the Microchip PIC16 and PIC18 and the Padauk PDK13.
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    Downloads: 1,599 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: 999 This Week
    Last Update:
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  • 3
    "Aubit 4GL" is a project to make GPL, OpenSource, Informix-4GL compatible compiler, and continue to extend functionality needed to write most efficient and productive business related, database oriented applications. See "Home Page" link for more.
    Downloads: 14 This Week
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  • 4
    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: 9 This Week
    Last Update:
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  • 5
    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler and Emulator

    z390 Portable Mainframe Assembler and Emulator
    Downloads: 4 This Week
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  • 6
    WinCMOC (M6809 C Compiler)

    WinCMOC (M6809 C Compiler)

    A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)

    WinCMOC v0.6 is here! So many new features, I cant remember them all. Please uninstall old versions before installing. This is a port of the CMOC compiler (written by Pierre Sarrazin) to Windows. Currently CMOC does not support linking, so, I've written front end tools which edit CMOC's output so that it can be assembled and linked via LWTOOL's. A simple C editor in included which makes it easy to compile/build and run the xroar emulator. Please visit the CMOC website: http://perso.b2b2c.ca/~sarrazip/dev/cmoc.html CREDITS LWTools - Portable tools for the Motorola 6809/6309 http://lwtools.projects.l-w.ca/ mcpp - A Portable C Preprocessor http://mcpp.sourceforge.net/ Artistic Style - Automatic Source Formatter http://astyle.sourceforge.net/ XRoar - Dragon & CoCo emulator http://www.6809.org.uk/xroar/ CMOC - 6809 cross-compiler for a small C-like language http://perso.b2b2c.ca/~sarrazip/dev/cmoc.html
    Downloads: 3 This Week
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  • 7
    DBOW is a database compiler-compiler or front-end. It takes table definitions in a relatively high-level language and prepares C, C++, PHP, Perl (etc) functions for manipulating the database. It will also produce SQL table data for MySQL.
    Downloads: 2 This Week
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  • 8
    A scripting language designed to create console-like 2D games.
    Downloads: 1 This Week
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  • 9

    Citrus GCC (mingw-w64) for Perl

    mingw-w64 gcc compiler

    Bundled gcc compiler and tools for Perl on MS Windows (32 and 64 bit). Provides C, C++, Fortran
    Downloads: 1 This Week
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  • 10
    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: 1 This Week
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  • 11
    FOML
    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.
    Downloads: 1 This Week
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  • 12
    Decouple your GUI building code from the rest of your application. Using an XML description, the Java Gui Builder will build appropriate windows, controls and objects for later retrieval by the mainstream code.
    Downloads: 1 This Week
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  • 13
    NovaX is a set of programs that is being devloped for small company's and beginners in the fields of HTML and programming. Coded in Python and C++, this is also a good replacement for MS Office. NOTE: This requires Python to be on your PC. ( Python.org )
    Downloads: 1 This Week
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  • 14
    The Introspector enables the programming tools that deal with source code such as the compiler to communicate in a standard and neutral manner reducing the accidental cost of programming. http://github.com/h4ck3rm1k3/
    Downloads: 1 This Week
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  • 15

    The MinCaml Compiler

    *** Moved to http://github.com/esumii/min-caml ***

    *** Moved to http://github.com/esumii/min-caml *** MinCaml: An educational compiler from a tiny ML subset to the SPARC or PowerPC assembly language; Only 2000 lines of Objective Caml, but almost as efficient as---or even more efficient than---OCaml and GCC!
    Downloads: 1 This Week
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  • 16
    AL-IV

    AL-IV

    ALFOUR Programming language. Simple, safe, power, multi-platform.

    A programming language AL-IV (ALFOUR) is a high-level imperative object oriented programming language with minimal introduction level, easy porting to any platform claiming a very high level of safety and stability, with a controllable level of code protection, high efficiency of an executable code, full independence from a target platform, minimal enter level.
    Downloads: 0 This Week
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  • 17
    Plugin for Eclipse aiming at fully integrating AspectJ into Eclipse.
    Downloads: 0 This Week
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  • 18
    Compiler for java assembly to class file. This compiler contains dead code detection and allow creating method, field and constructor from a java assembly file
    Downloads: 0 This Week
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  • 19
    C++ LALR parser generator
    Downloads: 0 This Week
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  • 20

    DistAlgo

    A Language for Distributed Algorithms

    DistAlgo is a very high-level language for expressing distributed algorithms.
    Downloads: 0 This Week
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  • 21
    ECL is a system-level specification language for HW/SW designs and is based on Esterel and C. The ECL compiler parses ECL, writes Esterel and C, and uses the Esterel compiler to produce an implementation. Originally developed at Cadence Berkeley Labs.
    Downloads: 0 This Week
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  • 22
    Hyacc is an efficient and practical Yacc/Bison-compatible full LR(1)/LALR(1)/LR(0) and partial LR(k) parser generator in ANSI C based on Knuth and Pager's LR(1) algorithms. Generated parser can be used in open-source or commercial software.
    Downloads: 0 This Week
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  • 23
    A java based Assembler and Emulator for the MIPS instruction set.
    Downloads: 0 This Week
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  • 24
    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.
    Downloads: 0 This Week
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  • 25

    ValaWindowsInstaller

    Vala programming language distribution for Windows

    Windows all-in-one distribution of the Vala programming language to build console and GTK+ GUI programs. Includes Vala command-line compiler, MinGW C compiler toolchain and GTK+ version 2 and 3 runtimes.
    Downloads: 0 This Week
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