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

  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
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    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
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    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

    Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
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  • 1
    IKVM.NET is a JVM for the Microsoft .NET Framework and Mono. It can both dynamically run Java classes and can be used to convert Java jars into .NET assemblies. It also includes a port of the OpenJDK class libraries to .NET.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 2
    Virtual T
    Virtual T is a TRS-80 Model 100/102/200 emulator that runs on Windows, Linux, and Macintosh. The goal of Virtual T is to provide 100% hardware emulation so any existing programs will run. It also adds powerful development and debugging tools.
    Leader badge
    Downloads: 11 This Week
    Last Update:
    See Project
  • 3
    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler and Emulator

    z390 Portable Mainframe Assembler and Emulator
    Downloads: 5 This Week
    Last Update:
    See Project
  • 4

    ATasm: 6502 cross-assembler

    ATasm is a 6502 command-line cross-assembler.

    ATasm is a 6502 command-line cross-assembler that is compatible with the original Mac/65 macro assembler released by OSS software. The aim of ATasm is to provide Atari home-brew coders with a comfortable and powerful toolset.
    Leader badge
    Downloads: 5 This Week
    Last Update:
    See Project
  • 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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  • 5
    1964 is a popular Nintendo64 Emulator for Windows. With the right plugins, you can play almost any Nintendo64 game on your PC.
    Downloads: 10 This Week
    Last Update:
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  • 6
    8088 Software Development Environment for the .NET & WIN32 platform. Program and control the windows pc with 8088 ML. Assemble, Disassemble, Emulate 8088 Assembler. Realtime I/O
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    FastSim consists of: - 'Facile' a highly flexible and expressive processor-architecture specification-language. - A compiler for the specifications which produces high-performance, fast-forwarding simulators.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    GNUDE is a complete suite of GNU C, C++, Fortran, and Java Cross Compilers, and the GDB CPU Simulator and Debugger for embedded microprocessor applications development. Targets development for ARM7, ARM9, and XScale applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    This project aims to implement an LC2/LC3 assembler and simulator for the Linux and Windows platforms.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 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.
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  • 10
    MIPS Processor Compilator and Simulator for Win32
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    A set of tools relating to an educational processor used in teaching Computer Architecture at the University of Ottawa. Currently includes a working assembler and a semi-functional emulator/debugger.
    Downloads: 0 This Week
    Last Update:
    See Project
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