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

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  • 1
    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: 169 This Week
    Last Update:
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  • 2
    An open-source emulator for the 3DO Game Console.
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    Downloads: 220 This Week
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  • 3
    ASAP - Another Slight Atari Player
    ASAP (Another Slight Atari Player) plays and converts 8-bit Atari music (*.sap, *.cmc, *.mpt, *.rmt, *.tmc, ...) on modern computers and mobile devices.
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    Downloads: 106 This Week
    Last Update:
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  • 4
    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: 15 This Week
    Last Update:
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  • 5
    DosBlaster is a DOS game launcher to run DOS games. It requires DOSBOX (http://www.dosbox.com) as a backend to run the game. The users import the games and then run them.
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    Downloads: 18 This Week
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  • 6
    DiIiS Project

    DiIiS Project

    Fully-functional open-source server implementation for Diablo 3

    Blizzless DiIiS is an open-source server implementation for Diablo III: Reaper of Souls that allows players to run the game in a fully local or private server environment. It recreates much of the game’s backend infrastructure, including account systems, matchmaking, progression mechanics, and gameplay logic. The project supports a wide range of in-game systems such as character classes, item generation, quests, and multiplayer interactions, aiming to replicate the original online experience without requiring Blizzard’s official servers. It includes features like dungeon generation, artificial intelligence for enemies, and support for both campaign and adventure modes. The server is designed to be deployable locally or over LAN, enabling cooperative play in controlled environments. While still under active development, it already implements a significant portion of the game’s systems, making it one of the most comprehensive private server projects for Diablo III.
    Downloads: 1 This Week
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  • 7
    V.Dream

    V.Dream

    V.Smile emulator written in C, C# and XAML

    V.Dream is a V.Smile emulator developed by Néo Foderé de Frutos under the FODSOFT™ brand and written in C, C#, and XAML. The V.Dream core is based on V.Frown, an emulator originally developed by Ian (Schnert0) and other contributors. With V.Dream, you can play and relive the games from your childhood or discover them for the first time, develop your own software with instructions for the emulated hardware, among other features. It should be noted that neither FODSOFT™ nor V.Dream provide ROMs or any other means that facilitate piracy; the only thing FODSOFT™ offers is software that simulates the hardware of that era so the games can run on modern devices. V.Dream is an independent project of FODSOFT™ and is not affiliated with, endorsed by, or in any way connected to VTech® or any of its subsidiaries or affiliates. V.DREAM DOES NOT ACCEPT DONATIONS. © 2025 FODSOFT™. Néo Foderé de Frutos. All rights reserved.
    Downloads: 23 This Week
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  • 8
    Orao Basket

    Orao Basket

    Programming tools for emulator of eight bit computer ORAO

    Smederevo, 05, august 2018 Long time ago, about 1986 I have become proud owner of eight bit computer ORAO based on MOS 6502 processor. It was first and for me the best home computer at that time. My whole knowledge of computer programming begins with that computer. Recently for some unknown reason I have become interested in old eight bit computers again. After short search on the Internet I have found emulator of my favorite computer. It literally emulates every peace of hardware installed in real computer. https://en.wikipedia.org/wiki/Orao_%28computer%29 Unfortunately programming on emulator is also not so easy as it was on real computer, considering today modern tools. There are some external tools that enables writing program code in external text processor, and converting it to document acceptable by emulator. So I have came to an idea to write a small and simple program that will enable easier programming and exporting program code to format recognizable by emulator.
    Downloads: 10 This Week
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  • 9
    An intel 8085 microprocessor emulator.
    Downloads: 4 This Week
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  • 10

    CDTMaster

    Utility to edit CDT files (Amstrad Tape)

    Utility to edit CDT files (Amstrad Tape)
    Downloads: 3 This Week
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  • 11

    GameLauncher

    Frontend emulator launcher displaying box art image of associated ROMs

    A free front-end emulator displaying associated game box art image for each game. GameLauncher can be controlled using standard Xbox controller. ROM associated image files can be downloaded using following link: http://axter.com/GameLauncher/Images.zip
    Downloads: 3 This Week
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  • 12
    The Free .NET ZX Spectrum Emulator, written in C#. An emulator of the 1980s home computer and various clones, that can work on various platforms with .NET environment.
    Downloads: 1 This Week
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  • 13
    Game system emulators that run on the .NET/XNA frameworks. Allows games to run in the .NET/XNA framework that were originally developed for another platform. Currently has Space Invaders and limited NES (Nintendo Entertainment System) support
    Downloads: 1 This Week
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  • 14

    Input Control

    Log and Play Retro Controller Inputs

    Input Control is a project to allow users to create and play back logs of their play sessions on retro game consoles that use serial communication controllers. Only SNES is supported in the current version, but future updates can be expanded to most types of consoles. Firmware and some code originally based on jaburn's NintendoSpy project, but it has changed a lot for consistency and otherwise.
    Downloads: 1 This Week
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  • 15
    Mobile Cursor

    Mobile Cursor

    No need to install from your phone. It uses browser as a controller.

    Control your mouse cursor from your phone, and you only need your web browser! No additional app required.
    Downloads: 1 This Week
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  • 16

    PCPlus-DOSBoxLauncher

    A simple Windows tool depending on DOSBox to execute PCPlus with

    This tool is made to help users of PCPlus, a ancient dos program, to continue their business on Windows 7,8 and 10. The tool simply manipulates with the DOSBox configuration file, by mapping drives and the execute the PCPlus program. The users of PCPlus must own their own PCPlus files and licenses. This project does not distibute these! Prior using this tool you must install DOSBox The tool offers the users to define references and workspaces. Users settings is stored in a XML file in users 'AppData' folder structure. PCPlus-DOSBoxLauncher is free software distributed under the GNU General Public License (GPL). Free software is not just free of cost (like "free beer"). It is free as in freedom (like "free speech"). Free software gives you the freedom to use a program, study how it works, improve it and share it with others. For more information, visit the Free Software Foundation.
    Downloads: 1 This Week
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  • 17
    Tech Support Scammer Fake Command Prompt

    Tech Support Scammer Fake Command Prompt

    Fake command prompt to fool tech support scammers

    For instructions on how to use, see this file: https://sourceforge.net/projects/techsupportcmd/files/How%20To%20Use.pdf/download This fake command prompt can be used instead of the real windows command prompt in order to waste the tech support scammers time. It is based upon the windows 7 command prompt, but is not noticeably different from the command prompt in most other windows versions. Many commands commonly used by scammers, such as tree, netstat and powercfg are emulated in this, but they provide results that the scammer would not be expecting, for example, the tree command draws an ASCII tree, while the powercfg command comes back with no errors, no warnings and no informational - every time, without fail. Commands not included all come back with the usual error as displayed for invalid commands in the real command prompt, however other commands can be added.
    Downloads: 1 This Week
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  • 18
    "Slow CPU" Emulator

    "Slow CPU" Emulator

    Slows down any given Windows process (written in C#)

    "Slow CPU" Emulator is useful for slowing down games, testing how applications deal with lag, and/or reducing the overall CPU usage of a specified process. Simply tell the emulator the update interval and speed percentage, and witness your application slowing down to the specified speed live! The code is written in C# for Windows and is extremely robust, flexible and stable, and has been tested very thoroughly. I apologise in advance for the code not being very readable, sometimes spaghetti code is more optimised code. ;) If you encounter any issues, do not hesitate to tell me. :) License: MS-PL Do whatever you want with the code. Credit would be nice, but definitely not required. I am not responsible for any undesired or unintended effects that may (most probably won't) come up as a result of using the application.
    Downloads: 0 This Week
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  • 19
    A 6502 processor simulator/development environment written in C#.
    Downloads: 0 This Week
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  • 20
    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: 0 This Week
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  • 21
    ACPUProject

    ACPUProject

    ACPU Emulation and Design

    In this project I'll try to reinvent the wheel by designing the ACPU. In this Project I'll upload the official Emulator, Compiler and Docs -- !!! Anouncment !!! -- Searching Developer for USBSupport and one for OSDev -- !!! Anouncment !!! --
    Downloads: 0 This Week
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  • 22
    Bartlett is a simplified installer, console, configurator and launcher for the PearPC project (PowerPC Emulator).
    Downloads: 0 This Week
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  • 23
    BizHawk

    BizHawk

    A multi-system emulator written in C#

    BizHawk is a multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as fullscreen, rewind, and joypad support in addition to rerecording and debugging tools for all system cores.
    Downloads: 0 This Week
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  • 24
    Managed C# Spectrum Emulator
    Downloads: 0 This Week
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  • 25
    The Cell framework is a scalable server framework written in C#. It's original purpose is for MMOG emulation but can be easily adapted to other areas. The project includes a proof of concept rewrite of the DAoC emulator DOL.
    Downloads: 0 This Week
    Last Update:
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