Browse free open source Build Tools and projects for Windows and ChromeOS 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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    Try Google Cloud Risk-Free With $300 in Credit

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  • 1
    kodeWeave

    kodeWeave

    HTML/CSS/JS and Markdown Playground For Web Designers and Developers

    kodeWeave is a realtime coding playground for HTML, CSS and Javascript. Similar to JSFiddle and JSBin, but kodeWeave was made to work offline but also as a prototyping application to build applications for desktop operating systems while on mobile devices. (PhoneGap Build is recommended for mobile devices) kodeWeave similar to jsfiddle, jsbin, dabblet, liveweave, codepen, cssdeck, cssdesk, tinkerbin, d3 playground, plunker and pastebin, but allows you to export your web app as a desktop and/or chrome application.
    Downloads: 5 This Week
    Last Update:
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  • 2
    EasyStruts provide advanced support for developing Struts web applications with Eclipse . keywords: MVC, Struts, Eclipse, Java
    Downloads: 1 This Week
    Last Update:
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  • 3
    Buildap is a Visual Component Based Development framework. It is available as standalone tool as well as Netbeans and Eclipse plugins. SVG viewer/editor and Diagram Editor are also available. See Buildap powered project at http://e-records.buildap.com/.
    Downloads: 0 This Week
    Last Update:
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  • 4
    ClassReach is a utility to identify unused Java classes and methods. Once identified, such things can be removed from the code, hopefully simplifying the system.
    Downloads: 0 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
    Components 4 Java
    Components 4 Java is a development tool for Java. It provides a framework to organize different parts of code in loosely coupled components. Those will be sticked together graphically to larger compositions and distributed among Java Archives.
    Downloads: 0 This Week
    Last Update:
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  • 6
    Dependency Finder
    Extracts dependencies and OO metrics from Java class files produced by most Java compilers. Computes API differences between versions. No source needed. Includes both Swing and command-line interfaces, with XSL stylesheets for formatting output.
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    Downloads: 0 This Week
    Last Update:
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  • 7
    ECCO is a web-based IDE. In other words is an online development environment with file manager, console interface for compiling and execution of code and an editor with syntax highlighting, tabs and support for many languages and accessed with a browser
    Downloads: 0 This Week
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  • 8
    Extended C gives Object-Oriented features such as self-referential structure pointers via macros to C, resulting in an object-oriented style. Currently tested in gcc, we hope to stabilize it for other compilers as well, including Borland & Visual Studio.
    Downloads: 0 This Week
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  • 9
    Fresh Juice is Java User Interface Codification Engine. It provides easy designing, storing and plugging-in of graphic user interfaces and appropriate applications in xml-extension format.
    Downloads: 0 This Week
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  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
    Try Retool free
  • 10
    Haggler supports the definition, documentation, and implementation of class invariants and method pre-conditions and post-conditions through Java5 annotations.
    Downloads: 0 This Week
    Last Update:
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  • 11
    JS_Designer is a lightweight IDE to create Client-side Web-based applications ( Javascript+PHP). The goal is to have tool to build muti-lingual, skinable, professional-looking web applications, the way you would do in VB or VC.
    Downloads: 0 This Week
    Last Update:
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  • 12
    PHPCheckclipse is an Eclipse-Plugin that enables Checkstyle features for PHP developement. This means PHPCheckclipse checks your code for coding standards while you are typing.
    Downloads: 0 This Week
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  • 13
    STDProject (Simple Tree Driven Project) is a modeling tool for software development projects. It will let you build your project, watch its consistency, generate documentation and reuse work from one project to another.
    Downloads: 0 This Week
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  • 14
    Structs and Nodes Development for Java. An alternative approach to enterprise-class software development using a message oriented execution model and code generation. Deploys to servlet container + db environment.
    Downloads: 0 This Week
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  • 15
    jRivet
    This project in no longer active.
    Downloads: 0 This Week
    Last Update:
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