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.
    Start Free
  • 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
  • 1
    pngcrush and other tools for manipulating PNG (Portable Network Graphics) and MNG (Multiple-image Network Graphics) files.
    Leader badge
    Downloads: 161 This Week
    Last Update:
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  • 2
    The Presentation framework for Web applications. On the basis of: HTML, JavaScript, DHTML. Configure your user interface with Tag libraries (for J2EE systems) or XSL templates (for any other WEB systems using XML/XSL).
    Downloads: 0 This Week
    Last Update:
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  • 3
    Yapuka is a multiplatform RADTool for NUI/NGL (ngl.sf.net), a GUI toolkit based on an OpenGL rendering layer. (Mac, Win32, Linux, FreeBSD).
    Downloads: 0 This Week
    Last Update:
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