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

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  • 1
    Vectras VM

    Vectras VM

    It's a Virtual Machine App for Android Which is Based on QEMU

    Vectras VM Android is a mobile virtualization platform built on top of QEMU that enables users to run full desktop operating systems directly on Android devices. It functions as a complete virtual machine manager, allowing the emulation of systems such as Windows, Linux, macOS, and even other Android environments within a single app. The project is designed to push the limits of mobile hardware by leveraging modern smartphone CPUs and RAM configurations to simulate full computing environments. It includes a graphical interface and setup tools that simplify the process of creating and managing virtual machines, making it accessible beyond purely technical users. The emulator supports different architectures and integrates additional components like 3dfx wrappers to improve graphical compatibility and performance. Due to the heavy computational requirements, it is optimized for newer devices with high-end processors and sufficient memory.
    Downloads: 374 This Week
    Last Update:
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  • 2
    This is Java 2 Micro Edition (J2ME) CLDC/MIDP Emulator. Allows demonstrate MIDlet based applications in web browser applet, also can be run as standalone java application.
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    5.0 out of 5 stars 12 Reviews
    Downloads: 356 This Week
    Last Update:
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  • 3
    Vanced MicroG

    Vanced MicroG

    Seamless Google account support for modified apps

    Vanced microG is a lightweight companion app designed to enable the seamless functionality of YouTube Vanced and other modified apps that rely on Google services. It acts as a replacement for the Google Play Services framework, allowing users to log into their Google accounts and sync preferences without compromising privacy. Vanced microG is essential for running apps like YouTube Vanced, providing authentication and push notification support without requiring the full suite of Google services. With its minimal resource usage and focus on user privacy, Vanced microG is an indispensable tool for enhancing the functionality of modified Android apps.
    Downloads: 44 This Week
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  • 4
    J2ME-Loader

    J2ME-Loader

    A J2ME emulator for Android

    J2ME-Loader is a J2ME emulator for Android. It supports most 2D and 3D games (including Mascot Capsule 3D ones). Emulator has a virtual keyboard, individual settings for each application, scaling support. This project is a fork of J2meLoader. Enabling filtering in some cases can greatly reduce performance. Disable this option if the game is too slow. Image flickering issues can be fixed by enabling the "Immediate processing mode" option.
    Downloads: 33 This Week
    Last Update:
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  • 5
    MAME4droid

    MAME4droid

    MAME Android Emulator.

    MAME4droid (0.139u1) is developed by David Valdeita (Seleuco), port of MAME 0.139u1 emulator by Nicola Salmoria and TEAM. MAME4droid (0.139u1) emulates arcade games supported by original MAME 0.139u1. This MAME4droid version is targeted to Dual-Core devices, because it is based on a high specs 2010 PC MAME build. Anyway don't expect arcade games of the 90 to work at full speed. With some games that are really bad optimized (like outrun or mk series) you will need at least a 1.5 ghz dual-core device (Cortex A15). This is related to MAME build used, since it is targeted to high specs PC's as i said before. This version emulates over 8000 different romsets. Please, try to understand that that with that amount of games, some will run better than others and some might not even run with MAME4droid. Please, don't email me asking for a specific game to run. Official web page for news, source code & additional information: http://code.google.com/p/imame4all/
    Leader badge
    4.2 out of 5 stars 4 Reviews
    Downloads: 192 This Week
    Last Update:
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  • 6
    Java SID Player Music Library V2
    This is a Commodore 64 emulator specialized for sound reproduction. It is also a SID player for music collections like HVSC and CGSC. It is a full C64 emulator and can play games of the GameBase64 project as well.
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    5.0 out of 5 stars 2 Reviews
    Downloads: 149 This Week
    Last Update:
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  • 7
    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.
    5.0 out of 5 stars 27 Reviews
    Downloads: 50 This Week
    Last Update:
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  • 8
    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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    5.0 out of 5 stars 4 Reviews
    Downloads: 62 This Week
    Last Update:
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  • 9
    Nesoid

    Nesoid

    NES emulator for Android phones

    This project is based on sources, published by original Nesoid developer, who in turn used code of GPFCE, forked from FCEUltra, currently incarnation of which is known as FCEUX. Help and suggestions are welcome. This project has been abandoned in favor of the RetroArch, another awesome free software emulator (which has much better NES support and is more actively developed): http://www.libretro.com/.
    4.5 out of 5 stars 2 Reviews
    Downloads: 39 This Week
    Last Update:
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  • Endpoint Management with Remote Control Built In Icon
    Endpoint Management with Remote Control Built In

    Patch, monitor, and connect to Windows and macOS devices from one console

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  • 10
    Apple Disk Transfer ProDOS

    Apple Disk Transfer ProDOS

    Transfer disks and disk images between the Apple II and the real world

    Apple Disk Transfer ProDOS (ADTPro) transfers classic 8-bit Apple disk images over a serial, ethernet or audio link to a more modern computer. Based on the seminal ADT, ADTPro can transfer any ProDOS- or SOS-visible volume.
    5.0 out of 5 stars 7 Reviews
    Downloads: 17 This Week
    Last Update:
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  • 11
    JavaCPC Desktop - Java CPC Emulator
    Amstrad CPC-Emulator in JAVA, based on JEMU by R. Wilson. I am searching for good JAVA-coders who are also knowledgable in emulating 8bit homecomputers.
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    5.0 out of 5 stars 4 Reviews
    Downloads: 20 This Week
    Last Update:
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  • 12
    NET-Simulator was created to help lecturers and students in the study of computer networks. Students can build virtural networks in the virtual environment provided by NET-Simulator. These devices are controlled by means of command line interface.
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    5.0 out of 5 stars 2 Reviews
    Downloads: 25 This Week
    Last Update:
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  • 13
    A Java-based Gameboy and Gameboy Color emulator for mobile devices and PCs. If you want to play Gameboy games on your mobile phone you should try this emulator. For more information see the Wiki http://sourceforge.net/apps/mediawiki/javagb/index.php.
    4.1 out of 5 stars 8 Reviews
    Downloads: 19 This Week
    Last Update:
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  • 14
    Alternative Lineage 2 Game Server written in Java.
    5.0 out of 5 stars 1 Review
    Downloads: 29 This Week
    Last Update:
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  • 15
    TURGEN

    TURGEN

    Create your own Atari tapes

    TURGEN is a complex tool for creating your own tapes with software for Atari 8-bit computers. To record your tapes, you can use an ordinary cassette recorder connected to your PC. Alternatively, you can use TSFX to record your tapes with your trusted Atari data recorder. You can also transfer data from your PC or Mac to your Atari 8-bit computer using a cassette adapter inserted into your data recorder
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    Downloads: 47 This Week
    Last Update:
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  • 16
    Neko Project II for Android

    Neko Project II for Android

    PC-98 emulator for Android phones

    This project is based on sources, published by someone with nickname sawada, who used code of Neko Project II. Help and suggestions are welcome.
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    Downloads: 30 This Week
    Last Update:
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  • 17
    The Neverhood Restoration
    Be warned this project was discontinued in 2013 and has not been updated in years.
    Downloads: 28 This Week
    Last Update:
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  • 18
    AndroidSDK

    AndroidSDK

    Full-fledged Android SDK Docker Image

    AndroidSDK is a Docker-based development environment that provides a complete, portable Android SDK setup for building, testing, and deploying Android applications in a consistent and reproducible way. Instead of installing and configuring the Android SDK locally, developers can run a preconfigured container that includes essential tools such as the SDK, build tools, Gradle, and Kotlin compiler. This approach solves common issues related to environment inconsistency, such as dependency conflicts or differences between developer machines and CI pipelines. The project emphasizes minimalism and flexibility by shipping only a base SDK image, allowing developers to mount their own SDK components and customize installations as needed. It is particularly useful in continuous integration workflows, where deterministic builds and clean environments are critical.
    Downloads: 1 This Week
    Last Update:
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  • 19
    EasyProtector

    EasyProtector

    Simple way to check root/virtual app/emulator/xposed framework

    EasyProtector, a simple way to check root/virtual app/emulator/xposed framework/tracer/debugger. Since it's all here, you are welcome to star/fork, even if you raise an issue, I hope this is a useful library (eliminate the initialization operation of the application, avoid more permission requirements, and load as lazy as possible) Mainly to fix a bunch of bugs, see the pictures in the image folder for the adaptation situation, Tencent Legu's old version of XposedCheck code has some code in copy SecurityCheckUtil, the new version can't see it anymore. After all, the simulator is a company-level product with limited personal capabilities. I hope everyone can mention more pr. Since 2018/6/13 integrated and launched your own project, the detection data of 11w+ suspected simulators have been collected by 10/24. If you need to do very detailed simulator identification in your business, you can add judgment conditions by yourself.
    Downloads: 1 This Week
    Last Update:
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  • 20
    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler

    z390 Portable Mainframe Assembler and Emulator

    z390 Portable Mainframe Assembler and Emulator
    4.3 out of 5 stars 6 Reviews
    Downloads: 8 This Week
    Last Update:
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  • 21
    Cambridge Z88

    Cambridge Z88

    Software development for 4Mb portable, using Z80 CPU and AA batteries

    This project is for the portable computer "Cambridge Z88", produced by Sir Clive Sinclair (of ZX Spectrum fame). We continue to support software development (ROM, 3rd party apps on memory cards and desktop applications). We have moved to https://cambridgez88.jira.com/wiki (development, source code and documentation). However, we continue to publish files for download here.
    Leader badge
    Downloads: 18 This Week
    Last Update:
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  • 22
    GameBoid

    GameBoid

    Gameboy Advance emulator for Android phones

    This project is based on sources published by original GameBoid developer, who in turn used code of gpSP2X, based on gpSP. Help and suggestions are welcome. This project is abandoned in favor of RetroArch: http://www.libretro.com/. Seriously, check that one out!
    Downloads: 18 This Week
    Last Update:
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  • 23
    A Java-based Commodore 64 emulator for mobile devices and PCs. If you want to see the old C64 become alive on your mobile phone or PC then try this emulator. For more information see the Wiki pages http://sourceforge.net/apps/mediawiki/jmec64/index.php.
    5.0 out of 5 stars 4 Reviews
    Downloads: 4 This Week
    Last Update:
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  • 24
    JPC
    The fast x86 PC emulator in 100% pure Java
    5.0 out of 5 stars 1 Review
    Downloads: 8 This Week
    Last Update:
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  • 25
    JStella is a Java-based Atari 2600 VCS emulator. It allows one to play old Atari 2600 games in an operating system independent manner. It also supports web page based applets. Its emulation core is based on Stella-Atari 2600 Emulator.
    5.0 out of 5 stars 2 Reviews
    Downloads: 5 This Week
    Last Update:
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