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

  • Gemini 3 and 200+ AI Models on One Platform Icon
    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.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
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  • 1
    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: 42,454 This Week
    Last Update:
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  • 2
    NSBase

    NSBase

    NSBase is a database management system.

    NSBase is a database management system. NSBase use SQLite, Firefird, Interbase, MariaDB, Mysql, Postgresql, Sybase It allows to quickly build complete database applications. Its modern interface is simple and ergonomic. Its scripting in LUA makes it possible to dynamize your applications. It is a rapid development workshop (IDE / RAD) visual type (sqlite form generator). It is a real alternative to MSAccess, kexi and other. Import your database : Text files, MS Access (MDB File), SQLite and Kexi Build your applications quickly, thanks to integrated wizards It can create stand-alone applications without specific installation, it generates an exe file under windows quickly and easily (or the equivalent under linux)
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    Downloads: 128 This Week
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  • 3
    Compiere ERP + CRM Business Solution
    Compiere ERP+CRM is the leading open source ERP solution for Distribution, Retail, Manufacturing and Service industries. Compiere automates accounting, supply chain, inventory and sales orders. Compiere ERP is distributed under GPL V2 by Compiere, Inc.
    Downloads: 18 This Week
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  • 4
    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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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • 5
    Convertigo

    Convertigo

    Low Code Platform for Enterprises

    Convertigo is an open source Low Code Application Platform (LCAP) featuring MXDP (Multi eXperience Development Platform) for full-stack mobile and web application development - Large variety of connectors to enterprise apps - Low Code microservice builder to orchestrate and combine data and processes from multiple enterprise apps. - Offline data and complete data synchronization for disconnected scenarios. - Cross-platform WebApp and Native app mobile application development tools for iOS, Android platforms - Security managers and Identity managers - Mobile application updates and administration - Monitoring and administration tools. Convertigo also features an RPA integration tool for legacy mainframe applications and Web html applications. Convertigo Community Edition is AGPL based.
    Downloads: 5 This Week
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  • 6
    J2ME Polish is a next generation framework for the rapid development of J2ME applications. Features included are a powerful GUI framework, utility classes and ant-based build tools for the creation of device optimised applications.
    Downloads: 4 This Week
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  • 7

    Almake

    makefile scripts and templates for Allegro 4 game library

    This is a group of makefile scripts and templates that helps the developer and end-user to configure, update, and build Allegro/AllegroGL/etc projects, on many platforms, and with different compilers, in a easy way (just type "make" and it will work).
    Downloads: 2 This Week
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  • 8
    Utilities that enable software development for the Casio fx-9860G calculator.
    Downloads: 2 This Week
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  • 9
    AthTek WebXone

    AthTek WebXone

    Convert C/S type software to B/S type webapp.

    AthTek WebXone is an advanced RIA (Rich Internet Applications) Builder. It enables software developers to create web applications directly by C++Builder, VC, VB, Delphi and PowerBuilder. It can also convert C/S type software projects to B/S type web applications easily and effectively. WebXone supports all VCL components in web application development and the created web application is all browser supported.
    Downloads: 1 This Week
    Last Update:
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  • Forever Free Full-Stack Observability | Grafana Cloud Icon
    Forever Free Full-Stack Observability | Grafana Cloud

    Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

    Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
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  • 10
    CZ Bind Maker is a custom buy script and configuration editor for Counter-Strike 1.6, Condition Zero and Counter-Strike: Source. It provides point and click, buy scripting and configuration editing capabilities.
    Downloads: 1 This Week
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  • 11
    A language-neutral, pattern entry and replication system. Hosted inside of Visual Basic 6 and 5, from the command-line, and from the system tray. Autmates programming tasks, build forms, modify controls in a completely reusable way.
    Downloads: 1 This Week
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  • 12
    TIPcon1 is a standards-compliant soft phone using text, voice and video with accessibility features.
    Downloads: 1 This Week
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  • 13
    Main features: wxHatch is a cross platform IDE for wxWigets. It generates new wxWidgets projects, with a main frame and text or drawing/imaging window, provides a simple code editor with syntax highligthing, generates makefiles for
    Downloads: 1 This Week
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  • 14
    This project aims to produce a form editor like the ones in Visual Studio and SharpDevelop. It is intended to be used as a control for end-users of your application to allow them to create customised forms. The designer persists forms to XML.
    Downloads: 0 This Week
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  • 15
    BB-XDev

    BB-XDev

    A kit for cross-platform & embedded development in modular languages.

    XDev is open and free set of compilers, additional tools, libraries and design patterns for cross-platform and embedded development in modular programming languages. You can develop projects in several languages at once. You can develop for different platforms, such as retro and new. Main goals and benefits of XDev =============================== + Simplicity, + Reliability, + Small size of the target machine code, + The widely using of the great achievements of the European school of programming, such as safe and modular programming languages - Oberon, Oberon-2, Component Pascal.
    Downloads: 0 This Week
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  • 16
    This is the original (Windows/PalmOS) and UNSUPPORTED version of DataDyne's EpiSurveyor mobile data collection software. EpiSurveyor has changed its name to Magpi, and you can register for a free Magpi account at www.magpi.com
    Downloads: 0 This Week
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  • 17
    An architecture description language (DiaSpec) supports the description of components of a given distributed computing area. From these descriptions, DiaGen generates a dedicated programming framework to support distributed application development.
    Downloads: 0 This Week
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  • 18
    The DragonBreath Engine is a constraint solver based on local search. It features real-time computation, handling of dynamics, structural constraint satisfaction, and an easy way to include domain-specific knowledge.
    Downloads: 0 This Week
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  • 19
    EasySQL Framework

    EasySQL Framework

    Work easily and safely with your database with EasySQL Framework.

    EasySQL is a powerfull open source tool written in PHP and released under the GNU AGPLv3. It was created for web application developers that want to write fast and secure apps. EasySQL Framework is especially good for inexperienced developers that are in the process of learning MySQL because it makes it almost impossible to make a syntax error. Currently it supports DDL, DQL/DML and DCL.
    Downloads: 0 This Week
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  • 20
    FIPA-OS is a component-based toolkit enabling rapid development of FIPA compliant agents. FIPA-OS supports the majority of the FIPA Experimental specifications (<a href="http://www.fipa.org">www.fipa.org</a>) and is being continuously improved.
    Downloads: 0 This Week
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  • 21
    Gobisoft

    Gobisoft

    Software auto-installation builder

    Gobisoft is a batch package builder for applications, it builds a self-install package of your programs. Creates a stand alone executable file that performs the (secured installation and removing) of the elements necessary to distribute your applications. The software offers many possibilities, such as executing commands before and after installation.
    Downloads: 0 This Week
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  • 22
    HTML-Pad
    This software enable you to create simple and also complicated webpages using html programming.In this software you can type your html program on the left side and can view the output on the right side.this software also enable you to insert advanced CSS tags and all html tags.you can change your information without modifying your previous html code.you can insert advanced CSS function like Buttons,Text Areas etc. only just filling simple information about it.this software is written in java programming language.this software is very easy to use.download it and try it.
    Downloads: 0 This Week
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  • 23
    HiveMind Java Web Application Cloud IDE

    HiveMind Java Web Application Cloud IDE

    Web development IDE in browser, supports Java, ruby, javascript...etc

    HiveMind is a browser based web development that combines an application container (jetty), a middleware and a developer environment that runs in the browser. It runs on the jvm so you are not limited by environment. You can run it on your laptop, company server or even on a cloud service like AWS. It supports Java, Ruby, Python, JavaScript, Groovy, Clojure. Source include so it is easy to hack so you can modify it for your own need.
    Downloads: 0 This Week
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  • 24
    Luke is a Software Development Toolkit with a source code browser and tools for managing software development projects that may be missing from the typical IDE.
    Downloads: 0 This Week
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  • 25
    MeMo (stands for Meta-Model) is planned as Generic Programming Language & IDE, as flexible & smart as it is possible for computer application, including adjustable syntax, algorithm reduction. Ideally, it has to contain AI for interacting with the user.
    Downloads: 0 This Week
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