Browse free open source Compilers and projects for Windows and FreeBSD 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
    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: 998 This Week
    Last Update:
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  • 2
    GCBASIC
    GCBASIC is an open-source BASIC compiler for 8 bit Microchip PIC, Atmel AVR legacy, AVRDx and LGT microcontrollers. See https://ko-fi.com/post/The-Story-of-GCBASIC-Making-Microcontroller-Progr-D1D319SJ72 for story of GCBASIC. This is a continuous release project. The latest release is always available. This will give you the most complete development toolchain to create and program 8-bit PIC, AVR and LGT microcontrollers. We have added new capabilities that make GCBASIC the easiest tool set available - supporting over 1400 microcontrollers with tools to make this fun and simple. Please see the download section for your options. We have two IDEs, we have just the compiler and we have a minimal install - it is your choice. Please see the homepage here: https://gcbasic.com
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    Downloads: 171 This Week
    Last Update:
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  • 3

    TinyCOBOL

    COBOL compiler for the PC x86-32 platform.

    An open source COBOL compiler for the PC x86-32 platform. Generates GNU assembler and requires GCC to produce a binary. Supports Linux, BSD and MinGW 32 bit platforms.
    Downloads: 19 This Week
    Last Update:
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  • 4
    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler and Emulator

    z390 Portable Mainframe Assembler and Emulator
    Downloads: 8 This Week
    Last Update:
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    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: 5 This Week
    Last Update:
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  • 6
    ooc is an object-oriented programming language which is implemented with a source-to-source translator to pure C99. It supports classes, abstract functions, foreach, ranges, etc. It intends to be modern, modular, extensible, yet simple and fast.
    Downloads: 1 This Week
    Last Update:
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  • 7
    The Bernoulli Compiler Framework is an open, robust, tool library developed for the purpose of enabling interoperability of new and existing compiler modules. Initially conceived as an instrument to be used by researchers within our group, it has been de
    Downloads: 0 This Week
    Last Update:
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  • 8
    YAPICCC - Yet Another PIC C Compiler - it's a command-line C compiler developed to build programs to Microchip PIC devices. Please visit the project Home Page for more information.
    Downloads: 0 This Week
    Last Update:
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