Browse free open source Runtimes and projects below. Use the toggles on the left to filter open source Runtimes 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
  • Fully Managed MySQL, PostgreSQL, and SQL Server Icon
    Fully Managed MySQL, PostgreSQL, and SQL Server

    Automatic backups, patching, replication, and failover. Focus on your app, not your database.

    Cloud SQL handles your database ops end to end, so you can focus on your app.
    Try Free
  • 1
    The NT POSIX C Runtime Library is an IEEE standard runtime library for the NT POSIX subsystem. It can be used as a complete replacement or a side by side alternative for what is shipped with the Interix SDK.
    Downloads: 0 This Week
    Last Update:
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  • 2
    PsySH

    PsySH

    A runtime developer console, interactive debugger and REPL for PHP

    A runtime developer console, interactive debugger and REPL for PHP. PsySH can be used as an interactive debugger, much like JavaScript's debugger statement, saving you from endless var_dump() and die() iterations. PsySH has tab completion for variable names, functions, classes, methods, properties, and even files! Just start typing, then hit [tab]. But you probably already guessed that. Most PHP shells are terrible at namespaces. PsySH does just what you'd expect. The list command knows all about your code, and everyone else's. Easily list and search all variables, constants, classes, interfaces, traits, functions, methods and properties. Easily show the source code for any userland object, class, interface, trait, constant, method or property. Show, search, save and replay your shell history.
    Downloads: 0 This Week
    Last Update:
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