Browse free open source Build Tools and projects for Windows and Desktop Operating Systems below. Use the toggles on the left to filter open source Build Tools by OS, license, language, programming language, and project status.

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  • 1

    MinGW - Minimalist GNU for Windows

    A native Windows port of the GNU Compiler Collection (GCC)

    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.
    Leader badge
    Downloads: 2,336,939 This Week
    Last Update:
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  • 2
    GnuWin

    GnuWin

    Provides native Win32 open source ports and utilities

    GnuWin provides Win32-versions of GNU tools, or tools with a similar open source licence. The ports are native ports, relying only on libraries provided with any modern 32-bits MS-Windows operating system, such as 2000 / XP / Vista / 7
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    Downloads: 43,780 This Week
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  • 3
    Launch4j Executable Wrapper
    Cross-platform Java executable wrapper for creating lightweight Windows native EXEs. Provides advanced JRE search, application startup configuration and better user experience.
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    Downloads: 3,402 This Week
    Last Update:
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  • 4
    Oblivion Works
    Wrye Bash has moved to Github! Downloads: https://github.com/wrye-bash/wrye-bash/releases Code: https://github.com/wrye-bash/wrye-bash
    Downloads: 22 This Week
    Last Update:
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    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

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  • 5
    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: 6 This Week
    Last Update:
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  • 6
    BSDBuild
    A self-contained and portable build system derived from the traditional 4.4BSD system. It implements Bourne configure script generation, concurrent building and it can compile IDE project files. It is portable to most operating systems and make flavors.
    Downloads: 0 This Week
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  • 7
    Cross platform libraries and tools that may make your life easier.
    Downloads: 0 This Week
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  • 8
    Inst.ant - Installer Tasks for Ant
    Downloads: 0 This Week
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  • 9
    C/C++/Java source code library and Build Environment. Contains code for threading, inter-thread communication (ITC), sockets, embedded database, parsing, fileio, etc. The majority of the library is designed for embedded development.
    Downloads: 0 This Week
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    8 Monitoring Tools in One APM. Install in 5 Minutes.

    Errors, performance, logs, uptime, hosts, anomalies, dashboards, and check-ins. One interface.

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  • 10
    SysUnit is a JUnit framework for distributed testing, system testing and integration testing. SysUnit is ideal for testing highly distributed software such as clusters of web applications, web services or MOM based software
    Downloads: 0 This Week
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  • 11
    antlraux is a java package thought to be used in combination with antlr(http://www.antlr.org). Features contextual information management, command line parsing and lexical information treatment.
    Downloads: 0 This Week
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