Open Source Java Emulators

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.

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.

ASAP (Another Slight Atari Player) plays and converts 8-bit Atari music (*.sap, *.cmc, *.mpt, *.rmt, *.tmc, ...) on modern computers and mobile devices.

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.

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/.

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.

Rifidi is a middleware and development platform for RFID. With Rifidi you can prototype an RFID application down to the core RFID Hardware and using Rifidi Edge you can easily develop business rules to turn RFID events into real business applications.

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.

Alternative Lineage 2 Game Server written in Java.

This project is based on sources, published by someone with nickname sawada, who used code of Neko Project II. Help and suggestions are welcome.

With TURGEN, you can record your own tapes with software for Atari 8-bit computers, and transfer data from your PC or Mac to your Atari 8-bit computer using your data recorder and a cassette adapter. TURGEN converts digital images of Atari software to the original standard Atari tape records and also various "turbo" systems. You can create WAVE files, tape images, or send the signal directly to the sound card. Tools such as Wizard for files, Tape Side Creator, Dual Track Tape creator and Batch processing allow you to create tapes with convenience

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!

Be warned this project was discontinued in 2013 and has not been updated in years.

z390 Portable Mainframe Assembler and Emulator

A simulation of a 1979 Compukit UK101 Personal Computer.

GameBoy emulator (not GameBoy Color) for J2ME based on Mario GameBoy (TM) Emulator 0.2.4 by Carlos Hasan with good speed enhancements and many useful options. GPLv2 license.

Dioscuri is an x86 computer hardware emulator written in Java. It is designed by the digital preservation community to make sure that documents and programs from the past can still be accessed in the future. Dioscuri is durable and component-based.

This project is based on sources published by original GBCoid developer, who in turn used code of gnuboy. Help and suggestions are welcome. This project has been abandoned in favor of RetroArch, another awesome free software console emulator (which is also actively developed): http://www.libretro.com/.

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.

MobileZX is a 48k ZX Spectrum emulator for mobile devices with support for J2ME MIDP2.0. It is oriented to devices such as PDAs and mobile phones.

JavaGear is a Sega Master System and Game Gear Emulator for Java. JavaGear runs as either an applet, embedded in a web page, or as a stand-alone application.

A simple but effective romrenamer written in Java. Runs on Linux and Windows and comes with a bundled installer. Reads NDS, RAR and Zipfiles Can extract directly to NDS or Zipfile. Datasource is provided as XMLFile from http://www.advanscene.com/

With Xbpad, you can use an Xbox 360® controller to surf the web and play games and music on your PC. It's a comfortable alternative to the keyboard and mouse. Using Xbpad with a wireless controller means you don't need to sit by your computer. You can control your music player wirelessly. You can also connect your computer to your TV and browse the web wirelessly using your controller. Xbpad lets you use a comfortable controller instead of the mouse and keyboard. If you find clicking a mouse difficult, squeezing a controller trigger might be a good alternative. If you need to stay away from the keyboard, you might like to try Xbpad instead. Download: Choose between application bundled with JRE or without. Github: https://github.com/ddwreczycki/Xbpad64 https://github.com/ddwreczycki/Xbpad32 Softpedia reviews: http://www.softpedia.com/get/System/System-Miscellaneous/Xbpad.shtml

The purpose of the cinc project is to develop an emulator for Bell Labs' Cardiac (cardboard illustrative aid to computation) computer. The main product from this project is a Java program called jcinc.

This java (version 6 or higher) program allows you to send games directly to an old apple // computer with no need for floppies, only a serial cable. No hardware modification is necessary, you only need a working serial connection. A cousin of this project can be found here: http://asciiexpress.net/gameserver/ (Thanks Egan!)