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

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

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  • 1
    Chatty

    Chatty

    A Twitch Chat Client

    Chatty is a Twitch Chat Client for everyone who wants to try something different than the Webchat but doesn't want to miss out on many of the Twitch specific features.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 2
    jose is a graphical Chess tool. >>> moved to https://peteschaefer.github.io/jose <<< You can store chess games in a database. You can view and edit games (including variations and comments). You can play against a plugged-in chess engine and use it for analysis. Features 3D board view.
    Downloads: 15 This Week
    Last Update:
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  • 3
    LocoNet over TCP
    Client-server based software that talks to Digitrax LocoNet. TCP server talks through a hardware interface (e.g. LocoBuffer) to LocoNet. (User interface) clients talk to that server.
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    Downloads: 34 This Week
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  • 4
    snake

    snake

    Just another Snake clone

    Just another Snake clone
    Downloads: 34 This Week
    Last Update:
    See Project
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

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  • 5
    Snake 2D

    Snake 2D

    Simple single and multiplayer 2D snake game

    Simple single and multiplayer 2D snake game If you like it please drop a Like! :D
    Downloads: 18 This Week
    Last Update:
    See Project
  • 6
    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: 31 This Week
    Last Update:
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  • 7
    Crystal Space 3D SDK
    Crystal Space is an Open Source 3D SDK for Unix, Windows, and MacOS/X. It renders with OpenGL and features GLSL shaders, CG shaders, deferred rendering, dynamic shadows, bullet based physics library, terrain engine, skeleton based animation meshes, exporter for Blender, portals, etc...
    Downloads: 6 This Week
    Last Update:
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  • 8
    Earthdawn Character Editor

    Earthdawn Character Editor

    The ECE is for creation and managing ED3+ED4 characters.

    The Earthdawn Character Editor is a java-based utility to create and manage character for the role-playing game Earthdawn Third Edition and for the role-playing game Earthdawn Forth Edition. It is intend to be very flexible, so almost the full behaviour can be configured through xml-based config-files. Multi language support is possible.
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    Downloads: 6 This Week
    Last Update:
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  • 9
    DynamicClient (Minecraft)

    DynamicClient (Minecraft)

    A Hack Client created from curseforge creators since 2021

    Dynamic Client is a minecraft hacked client that improve's the experience of the player, It has mods that was used for testing anti-cheats of servers but we changed it to be hacked client because making a client just to test anti-cheats is Boring. Announcement: 1.9.11 has been released! NOTE: This requires you to have a Minecraft launcher such as TLauncher to use the hack client. it also shows how anyone can create their own client, without coding as you only need ac-credit the mod creators. Having Issues? Check the installation Guide > https://sites.google.com/view/dynamic-client/about/installation?authuser=0 Website > https://sites.google.com/view/dynamic-client Github > https://github.com/JamStudios/DynamicClient Gitlab > https://gitlab.com/JamStudiosCorp/dynamicclient/DynamicClient
    Downloads: 28 This Week
    Last Update:
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  • AI-based, Comprehensive Service Management for Businesses and IT Providers Icon
    AI-based, Comprehensive Service Management for Businesses and IT Providers

    Modular solutions for change management, asset management and more

    ChangeGear provides IT staff with the functions required to manage everything from ticketing to incident, change and asset management and more. ChangeGear includes a virtual agent, self-service portals and AI-based features to support analyst and end user productivity.
    Learn More
  • 10
    Mobile Chess and Flash Chess
    Mobile Chess (for Java ME) and Flash Chess (for Web) with Strong Chess AI, see http://mobilechess.sourceforge.net/. Java Applet Chess and Ajax Chess are also available. Mobile Chess is sponsored by Chess Wizard now, see http://www.chess-wizard.com/.
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    Downloads: 7 This Week
    Last Update:
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  • 11
    SonOyuncu Makro 15+CPS

    SonOyuncu Makro 15+CPS

    Ücretsiz SonOyuncu macrosu, minimum 15CPS garantili.

    Bu program UfukGames tarafından yapılmıştır. Güvenli, hızlı ve az yer kaplar. SonOyuncu uygulamasının içine makro programımız konulmuştur. Oyun içinde eş zamanlı olarak açıp kapatabilirsiniz.
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    Downloads: 15 This Week
    Last Update:
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  • 12
    jnostromo

    jnostromo

    E-Sport Drivers for the Razer Nostromo

    Deprecated - please use Keyboarding Master: https://sites.google.com/site/keyboardingmaster/ jnostromo provides drivers for the Razer Nostromo & Belkin N52/N52te designed to be E-Sport legal. Profiles are unique user defined keymappings and can be created for each game. Each profile can have up to 8 unique keymaps with mappings to switch between keymaps. jnostromo includes an easy to use configuration gui to map keys from the nostromo to the keyboard and/or mouse. The configuration gui can be hidden and at any time, the gui can be displayed by clicking on the system tray icon. Its the goal of this project to make jnostromo the driver of choice for E-Sports and competitive gamers! Version 1.5 Tutorial Video http://youtu.be/EkLRJiqoE_o Note, version 1.5.2 has just been released (tarball) which includes an important bug fix. Before, holding down a key repeats the key, now the application only receives a single key when a key is held down.
    Downloads: 15 This Week
    Last Update:
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  • 13
    DiscordSRV

    DiscordSRV

    Discord bridging plugin for block game

    A plugin that links Minecraft servers to Discord channels, providing chat synchronization and notifications between both platforms.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    SpongeAPI

    SpongeAPI

    A Minecraft plugin API

    A mature Minecraft plugin API (not including an implementation), licensed under the MIT License. If you do not have Gradle installed then use ./gradlew for Unix systems or Git Bash and gradlew.bat for Windows systems in place of any 'gradle' command. Sponge will use a javac version of at least 11. If an older JDK is used to launch Gradle, JDK 11 will be downloaded automatically. SpongeAPI is the tool developers use to create plugins for the Sponge platform.
    Downloads: 1 This Week
    Last Update:
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  • 15
    Corewar is a game played vicariously through the action of assembly language programs written in a language called Redcode. Corewar is discussed in the Usenet group REC.GAMES.COREWAR; the reference implementation of this game, pMARS, is maintained here.
    Downloads: 9 This Week
    Last Update:
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  • 16
    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: 26 This Week
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  • 17
    jGameBase - Universal Emulator Frontend
    jGameBase is a Java port of GameBase, a fully-featured retro-gaming emulator frontend and game database utility (e.g. GB64 Collection of C64 games). It supports virtually any emulator for any system and has versatile database searching and filtering. There are databases for Apple II, Atari ST, Coleco ColecoVision, Commodore Amiga, Commodore C64, Commodore VIC20, Nintendo NES, Nintendo SNES, and Sinclair ZXSpectrum.
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    Downloads: 26 This Week
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  • 18
    Java Open Chess
    Java Open Chess is a project written in Java in NetBeans IDE. There is possibility to play for 2 players on local computers and via network connection. There is also an option to play versus quite weak computer oponent. Stronger computer oponens will be implemented soon. ATTENTION: Requires Java 1.8 or higher!
    Downloads: 9 This Week
    Last Update:
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  • 19
    Pairfx

    Pairfx

    Chess pairing program for run through and round robin tournaments

    PairFX is a chess pairing program specialized for youth tournaments in schools and chess clubs . No installation required! Just Unzip it and go! (You can run any kind of tournament with it actually but it was written for chess in schools) It supports the organization of a so-called 'run through' tournament and round robin (everybody against everybody) tournaments Swiss pairings are not (yet) possible. Are you a chess teacher at school, or organize a separate tournament at the club? Try PairFX! The run through pairing system makes it possible for player to come and go whenever they want and also to keep players playing all the time. It is not round based , so not everybody has to be finished to allow new pairings to be made. This is really great when players play at different speed and works very well in the club or at school.
    Downloads: 9 This Week
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  • 20
    Risk
    Risk has been renamed to Domination.
    Downloads: 5 This Week
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  • 21
    Peces (Joc de Tangram)
    Peces és un programa per jugar a 40 modalitats de tangram y més de 31.000 figures per resoldre. Podeu crear noves figures, generar-les automàticament, crear concursos i intercanviar les dades amb altres usuaris. A tangram's program with 40 modalites of tangram and more 31,000 shapes. You can create new figures and add them to the main game. In addition, it is possible to create competitions against your friends, and select only the shapes you want to use. Programme pour jouer avec 40 variétés de tangram et plus de 31.000 figures. Gioco di 40 modalità de tangram e più 31.000 Die Freeware Peces ist ein sehr umfangreiches Tangram Puzzle Spiel für Mac OSX mit vielen unterschiedlichen Formen und 4 Schwierigkeitsstufen. Die in einzelne Teile zerlegten Formen müssen dabei wieder richtig zusammengefügt werden.
    Downloads: 5 This Week
    Last Update:
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  • 22
    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.
    Downloads: 6 This Week
    Last Update:
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  • 23
    KoLmafia
    KoLmafia is a cross-platform desktop tool which interfaces with the online adventure game, Kingdom of Loathing. KoLmafia is written in Java ( Java 17 required), with binary releases in JAR format. We have moved to https://github.com/kolmafia/kolmafia, please come and find us there!
    Downloads: 4 This Week
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  • 24
    Tools for the recipe collector :-) RecipeFox: A addon to FireFox to grab recipes from the net (like the MasterCook addon in Internet Explorer) A recipe converter: It converts recipes from one format to another, and supports the following formats: - AccuC
    Downloads: 5 This Week
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  • 25
    Software for the competitions on computational intelligence in games.
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    Downloads: 22 This Week
    Last Update:
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