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

  • Simple, Secure Domain Registration Icon
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    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • 1
    FreeRTOS Real Time Kernel (RTOS)

    FreeRTOS Real Time Kernel (RTOS)

    Market leading real time kernel for 40+ microcontroller architectures

    ************************************************************************************************************************ * The primary FreeRTOS repository is now in Git. Go to https://github.com/freertos for the latest FreeRTOS kernel and libraries. * Our support has moved to https://forums.freertos.org. ************************************************************************************************************************ FreeRTOS is a market-leading real-time operating system (RTOS) for microcontrollers and small microprocessors. Distributed freely under the MIT open source license, FreeRTOS includes a kernel and a growing set of libraries suitable for use across all industry sectors. Visit https://www.freertos.org for more information and other download options. Note about support/discussions forum: The FreeRTOS support forum has moved to https://forums.freertos.org. Please update your bookmarks and create new posts in the appropriate category in the new community forums.
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    Downloads: 372 This Week
    Last Update:
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  • 2
    psionicprjkt

    psionicprjkt

    The 'poison' for custom android

    psionicprjkt is a project created especially for android development, providing custom roms, custom kernels and FOSS!
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    Downloads: 102 This Week
    Last Update:
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  • 3
    MedGui Reborn & MetroMed

    MedGui Reborn & MetroMed

    MedGui Reborn is a frontend (GUI) for Mednafen multi emulator.

    MedGui Reborn is a frontend (GUI) for Mednafen multi emulator, written in Microsoft Visual Studio Community. MetroMed is a appendix to MedGui Reborn and offer a modern "metro" style GUI for Mednafen. The programs are the evolution of MedGui and includes more features:
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    Downloads: 127 This Week
    Last Update:
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  • 4
    uCON64 is a tool to backup all kinds of video games. It supports almost every available backup unit for cartridge-based consoles and performs many other tasks like ROM hacking.
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    Downloads: 100 This Week
    Last Update:
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  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
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  • 5
    OpenBLT

    OpenBLT

    Bootloader for STM32, XMC, HCS12 and other microcontroller targets.

    OpenBLT is mostly used as an STM32 bootloader, due to the popularity of STM32 microcontrollers. However, the bootloader’s architecture is such that it can work with any microcontroller and use any type of communication interface to perform firmware updates.
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    Downloads: 66 This Week
    Last Update:
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  • 6
    CustomRoms - SamuelSouzaa
    will post all my compilations.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 7
    Government (Generic) Services Infrastructure (GSi) is a unified technology platform which empowers business processes to be modeled, deployed, executed and managed in an intuitive and efficient manner.
    Downloads: 0 This Week
    Last Update:
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