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

  • Employee monitoring software with screenshots Icon
    Employee monitoring software with screenshots

    Clear visibility and insights into how employees work. Even remotely.

    Stay productive working at any distance from anywhere with Monitask.
  • An All-in-One EMR Exclusively for Therapy and Rehab. Icon
    An All-in-One EMR Exclusively for Therapy and Rehab.

    Electronic Medical Records Software

    Managing your therapy and rehab practice is a time-consuming process. You spend hours on paperwork, billing, scheduling, and more. Raintree’s Therapy & Rehab EHR is here to help you manage your practice more efficiently. With our all-in-one solution, you’ll get the tools you need to streamline your therapy and rehab practice, improve patient care, and get back to doing what you love.
  • 1
    PrimeOS
    PrimeOS, the ideal Android based OS for mobile games on PC/Laptop.
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    Downloads: 16,142 This Week
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  • 2
    GNS3

    GNS3

    An advanced network simulator to design and configure virtual networks

    Build, Design and Test your network in a risk-free virtual environment and access the largest networking community to help. Whether you are studying for your first networking exam or building out a state-wide telecommunications network, GNS3 offers an easy way to design and build networks of any size without the need for hardware.
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    Downloads: 4,134 This Week
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  • 3
    Bochs x86 PC emulator
    Bochs is a portable x86 PC emulation software package that emulates enough of the x86 CPU, related AT hardware, and BIOS to run Windows, Linux, *BSD, Minix, and other OS's, all on your workstation.
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    Downloads: 2,649 This Week
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  • 4
    Nestopia
    A portable and cycle-accurate NES/Famicom emulator written in C++
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    Downloads: 2,880 This Week
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  • Digital Payments by Deluxe Payment Exchange Icon
    Digital Payments by Deluxe Payment Exchange

    A single integrated payables solution that takes manual payment processes out of the equation, helping reduce risk and cutting costs for your business

    Save time, money and your sanity. Deluxe Payment Exchange+ (DPX+) is our integrated payments solution that streamlines and automates your accounts payable (AP) disbursements. DPX+ ensures secure payments and offers suppliers alternate ways to receive funds, including mailed checks, ACH, virtual credit cards, debit cards, or eCheck payments. By simply integrating with your existing accounting software like QuickBooks®, you’ll implement efficient payment solutions for AP with ease—without costly development fees or untimely delays.
  • 5
    VICE

    VICE

    Versatile Commodore Emulator

    VICE is an emulator collection which emulates the C64, the C64-DTV, the C128, the VIC20, practically all PET models, the PLUS4 and the CBM-II (aka C610). It runs on Unix, MS-DOS, Win32, OS/2, Acorn RISC OS, BeOS, QNX 6.x, Amiga, GP2X or Mac OS X machines.
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    Downloads: 2,416 This Week
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  • 6
    Null-modem emulator

    Null-modem emulator

    The virtual serial port driver for Windows.

    The Null-modem emulator (com0com) is a kernel-mode virtual serial port driver for Windows. You can create an unlimited number of virtual COM port pairs and use any pair to connect one COM port based application to another. The HUB for communications (hub4com) allows to receive data and signals from one COM or TCP port, modify and send it to a number of other COM or TCP ports and vice versa.
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    Downloads: 2,446 This Week
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  • 7
    DeSmuME

    DeSmuME

    DeSmuME is a Nintendo DS emulator

    DeSmuME is the most seasoned open source Nintendo DS emulator. It sports tools designed for hackers, speedrunners, youtubers, and casual gamers. Homebrew programs are supported and can even be debugged through GDB. The Windows and OSX versions are both relatively feature rich, and there is a small universe of forks and mods that add even more features for casual gaming. DeSmuME is the origin of RetroArch and OpenEmu Nintendo DS support and is used by several mobile Nintendo DS emulators, with the notable exception of DraStic. DeSmuME's source code is now hosted at https://github.com/TASVideos/desmume/ win32 autobuilds @ https://ci.appveyor.com/project/zeromus/desmume/build/artifacts
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    Downloads: 2,182 This Week
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  • 8
    Locale Emulator

    Locale Emulator

    Yet another system region and language simulator

    Locale Emulator is a tool similar to AppLocale and NTLEA, providing a simulation function that can make an application recognize your OS as in a language other than the real one. It is quite useful when you are trying to play country-specific games. Locale Emulator is compatible with the following systems, both 32 and 64-bit, Windows 7 with Service Pack 1, Windows 8.1, and Windows 10. Locale Emulator supports 32-bit executables running on both 32-bit or 64-bit systems. For example, if you are using 64-bit WinRAR, you will not see the context menu on a RAR file unless you swapped 64-bit WinRAR with the 32-bit version. Clone the repo using Git, install Microsoft Visual Studio 2015 / 2017, open LocaleEmulator.sln, perform build action, clone and build the core libraries, and copy LoaderDll.dll and LocaleEmulator.dll from Locale-Emulator-Core to Locale-Emulator build folder.
    Downloads: 348 This Week
    Last Update:
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  • 9
    Wine

    Wine

    Run Windows applications on Linux, BSD, Solaris, and Mac OS X

    Wine is an Open Source implementation of the Windows API on top of X and Unix. Wine provides both a development toolkit for porting Windows sources to Unix and a program loader, allowing many unmodified Windows binaries to run on x86-based Unixes.
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    Downloads: 1,315 This Week
    Last Update:
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  • Free CRM Software With Something for Everyone Icon
    Free CRM Software With Something for Everyone

    216,000+ customers in over 135 countries grow their businesses with HubSpot

    Think CRM software is just about contact management? Think again. HubSpot CRM has free tools for everyone on your team, and it’s 100% free. Here’s how our free CRM solution makes your job easier.
  • 10
    D-Fend Reloaded

    D-Fend Reloaded

    A graphical environment for DOSBox

    D-Fend Reloaded is a graphical environment for DOSBox. D-Fend Reloaded is a successor of the discontinued D-Fend. Both environments look alike and D-Fend Reloaded contains all features of D-Fend. Even the D-Fend config files can be used.
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    Downloads: 1,005 This Week
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  • 11
    Limbo PC Emulator

    Limbo PC Emulator

    PC Emulation for Android

    2019-10-30 Due to time constraints, we haven't uploaded a new release in quite some time. Please click on the project homepage link to go to the branched project that is releasing current builds. However, we are still available for support and are able to walk users through using the app. Please feel free to join our Discord server, whether it's just to chat or help others! --- Limbo PC Emulator is a QEMU-based emulator, enabling users to run various operating systems on their devices. --- /!\ If you have any questions, please feel free to contact us (see support wiki page)! Copyright (c)2012 Max Kastanas, Uploaded by Vynncent Murphy
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    Downloads: 1,096 This Week
    Last Update:
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  • 12
    ZSNES is a SNES/Super Famicom emulator for x86 computers. It runs on Windows, MS-DOS and Linux/FreeBSD and supports mode 7, sound, Super FX, and a lot more.
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    Downloads: 494 This Week
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  • 13

    VisualBoyAdvance

    An emulator for Gameboy and GameboyAdvance systems

    An emulator for Gameboy and GameboyAdvance systems.
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    Downloads: 580 This Week
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  • 14
    Phoenix OS

    Phoenix OS

    An alternative way of running Android OS on a Windows system

    Phoenix OS is an Android emulator and operating system that allows you to run Android apps and games on your Windows desktop. It's a free, lightweight desktop environment that includes a taskbar, desktop icons, file management, and multi-window support. Phoenix OS is designed to provide a desktop-like experience on a larger screen. It supports both Intel and AMD processors, but it's more compatible with Intel processors. You can install Phoenix OS to replace Windows or install it alongside Windows in a dual-boot setup. Phoenix OS is a fork of the popular Remix OS. It lacks Google Play Services, but you can easily find the apps you need through APK hosting sites.
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    Downloads: 1,300 This Week
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  • 15
    shadPS4

    shadPS4

    PS4 emulator for Windows,Linux,MacOS

    shadPS4 is an early PlayStation 4 emulator for Windows, Linux, and macOS written in C++. If you encounter problems or have doubts, do not hesitate to look at the Quickstart. To verify that a game works, you can look at shadPS4 Game Compatibility. To discuss shadPS4 development or suggest ideas, join the Discord server. To get the latest news, go to our X (twitter) or our website.
    Downloads: 79 This Week
    Last Update:
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  • 16
    VBA-M (Archived - Now on Github)

    VBA-M (Archived - Now on Github)

    A merge of the original Visual Boy Advance forks

    Project has moved to https://github.com/visualboyadvance-m/visualboyadvance-m
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    Downloads: 342 This Week
    Last Update:
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  • 17
    CDemu - a virtual CD/DVD drive for Linux
    CDemu - a virtual CD/DVD drive for Linux. Project includes Linux kernel module & userspace utilities.
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    Downloads: 438 This Week
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  • 18
    The Free Unix Spectrum Emulator (Fuse): an emulator of the 1980s home computer and various clones for Unix, Mac OS X and Windows.
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    Downloads: 405 This Week
    Last Update:
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  • 19
    KernelEx is an Open Source compatibility layer with an aim to allow running Windows 2000/XP-only applications on Microsoft Windows 98 and Microsoft Windows Millennium operating systems.
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    Downloads: 343 This Week
    Last Update:
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  • 20
    GPCS4

    GPCS4

    A work-in-progress PlayStation 4 emulator

    A PlayStation 4 emulator which was just started. A project done for fun, and for technical research. The only reason I have started this project is for learning 3D graphics. It's not intended to become a serious application. Support simple compute shader, compute ring, cube maps. For more details you could join our discord server to contact me, or if you are used to Tencent QQ/TIM, just join our group. There you can get more resources which are useful for contributing. To run or develop GPCS4, a CPU supporting AVX instruction set as well as a graphics card supporting Vulkan 1.3 are required.
    Downloads: 66 This Week
    Last Update:
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  • 21
    Citra

    Citra

    A Nintendo 3DS Emulator

    Citra is an experimental open-source Nintendo 3DS emulator/debugger written in C++. It is written with portability in mind, with builds actively maintained for Windows, Linux and macOS. Citra emulates a subset of 3DS hardware and therefore is useful for running/debugging homebrew applications, and it is also able to run many commercial games! Some of these do not run at a playable state, but we are working every day to advance the project forward. (Playable here means compatibility of at least "Okay" on our game compatibility list.) Citra is licensed under the GPLv2 (or any later version). Refer to the license.txt file included. Please read the FAQ before getting started with the project. If you want to contribute please take a look at the Contributor's Guide and Developer Information. You should also contact any of the developers in the forum in order to know about the current state of the emulator because the TODO list isn't maintained anymore.
    Downloads: 65 This Week
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  • 22
    Lemuroid

    Lemuroid

    All in one emulator on Android!

    Lemuroid is an open-source emulator based on Libretro. It's designed to work on a wide range of devices, from phones to TVs, and to provide the best user experience on Android. It's completely free and without ads. Keep in mind not every device can emulate every console. A very powerful one is required for more recent systems such as PSP and DS and 3DS. This application does not contain any games. You need to provide your own legally owned ROM files. It originated from a rib of Retrograde, but graduated to a standalone project integrating LibretroDroid.
    Downloads: 58 This Week
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  • 23
    OpenAuto

    OpenAuto

    AndroidAuto headunit emulator

    OpenAuto is an AndroidAuto(tm) headunit emulator based on aasdk library and Qt libraries. Main goal is to run this application on the RaspberryPI 3 board computer smoothly. The OpenAuto Pro is the most advanced Raspberry Pi-based, custom head-unit solution ready to retrofit your vehicle. The main functionality of the OpenAuto Pro software is to bring Users access to modern head-unit features like Bluetooth Hands-Free Profile, music streaming, integrated media player, navigation via Android Auto, screen mirroring, rear camera support, and many more interesting options and possibilities. Moreover, OpenAuto Pro runs under regular Raspberry PI OS (Buster), therefore You can use all accessories and software dedicated to Raspberry Pi. OpenAuto Pro version provides features like brightness control, volume control, support of Kodi and integration with the Raspberry PI OS (Raspbian Desktop).
    Downloads: 53 This Week
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  • 24
    Panda3DS

    Panda3DS

    HLE 3DS emulator

    Panda3DS is a new emulator for the Nintendo 3DS. It allows fans of the console to enjoy their favorite games with various enhancements and unique features on all their devices, be it a laptop, a desktop, or on the go with a Steam Deck (and phone someday). Welcome to the home site for Panda3DS, a new emulator hoping to bring all sorts of unique features to the 3DS emulation scene, such as support for scripting, various enhancements, support for all sorts of platforms, development tools, and more.
    Downloads: 48 This Week
    Last Update:
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  • 25
    PPSSPP

    PPSSPP

    A cross-platform PSP emulator

    PPSSPP is an open source, cross-platform PSP emulator which allows you to play your PSP games on Android, Windows, Mac or Linux. With PPSSPP you can play your PSP games on your PC in full HD resolution, or play on your tablet for a big-screen mobile gaming experience. PPSSPP enhances the gaming experience in more ways than one. It even upscales some textures that would otherwise be too blurry due to the fact that they were originally made for the small screen. Even on modern Android phones and tablets you can enjoy double the original resolution. Get a whole new and better PSP gaming experience with PPSSPP now!
    Downloads: 42 This Week
    Last Update:
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