Browse free open source Build Tools and projects for Mac and BeOS 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
  • Try Google Cloud Risk-Free With $300 in Credit Icon
    Try Google Cloud Risk-Free With $300 in Credit

    No hidden charges. No surprise bills. Cancel anytime.

    Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
    Start Free
  • 1
    CLISP - an ANSI Common Lisp
    CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible. Interpreter, compiler, debugger, CLOS, MOP, FFI, Unicode, sockets, CLX. UI in English, German, French, Spanish, Dutch, Russian, and Danish.
    Leader badge
    Downloads: 247 This Week
    Last Update:
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  • 2
    Coffeetronix is the fast and simple Java UML workbench. It parses your java sources and creates an instant UML classdiagram.
    Downloads: 0 This Week
    Last Update:
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  • 3
    JResEditor eases the editing of java resource files. It provides validation and allows easy comparison of multiple resource files. The GUI allows easy navigation to any key and provides wizards to create keys and new resource files.
    Downloads: 0 This Week
    Last Update:
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  • 4
    RSD is a PHP development environment. The most powerful part is the RSDEngine - provide it with a SQL database schema and additional options and it will generate a ready-to-run application. Other goodies: versioning, generation of API docs, unit tests.
    Downloads: 0 This Week
    Last Update:
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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.
    Start Free
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