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.

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  • 1
    FetLife for Android

    FetLife for Android

    The FetLife App on Android

    This is the FetLife open source application made for Android. FetLife is the app for Kinksters who want to chat with fellow Kinksters, find out where the nearest FetLife events are happening, view other members’ profiles, and many other kinky things. With FetLife on Android, it’s easier than ever to access all the things you love about FetLife. Get notified on your Android phone so you stay on top of conversations and discussions, and discover the latest events on the app’s map. Want to be discreet? No problem, as the FetLife app comes with discreet mode so you can use the app freely without worries.
    Downloads: 28 This Week
    Last Update:
    See Project
  • 2
    JAIMBot is a modular architecture for providing services through an AIM client. It contains a generic AIM library and a Bot which uses this library to provide such services as Offline Messaging, Lists, Weather, Headlines, Stock Quotes, AI chatterbot.
    Leader badge
    Downloads: 210 This Week
    Last Update:
    See Project
  • 3
    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: 12 This Week
    Last Update:
    See Project
  • 4
    A cross-platform Duke3D (Duke Nukem 3D) port which provides many new features for mod authors, including an enhanced scripting system and OpenGL renderer. Go to http://www.eduke32.com for downloads and http://bit.ly/dn_3d to get the game!
    Downloads: 7 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

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  • 5
    Galleon is a home media server using TiVo's discontinued HME protocol. It only works on TiVo versions earlier than 20.7.2. The project is not actively maintained. If you want to maintain it, contact the admins.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 6
    LandsDiscordBot

    LandsDiscordBot

    Adds Discord Functionality to Lands.

    This plugin adds Discord functionality to the spigot plugin Lands. It allows land owners to create a channel for their land so they can chat from Discord with their land members online at the Minecraft server. Also you can view top lands in Discord, receive land and war notifications and more to come.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 7
    JagoClient is a Java software to play the board game Go over internet servers, to edit Go game records, to play against the computer (with gnugo), and to play point-to-point games.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 8
    OpenRPG is an Internet application that allows people to play Role Playing Games and some miniature based war games in real-time over the Internet. OpenRPG helps facilitate character tracking, miniature battles, and adventure building.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 9
    JavaHMO is a media server for the Home Media Option (HMO) from TiVoŽ implemented in the Java programming language.
    Downloads: 6 This Week
    Last Update:
    See Project
  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

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  • 10
    MorseLab
    Java-based free software for learning audio and flashing-light Morse code. Features include very flexible audio system, drills based on live news feeds, and adaptive drilling strategies.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 11
    Atani Software has a primary focus of developing games for various platforms and also try to keep the good old BBS' alive with releases of door games, etc.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 12
    L2Net is .net Alternative Lineage 2 Server and Client.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 13
    Trivbot is a a multilingual quiz/trivia bot for IRC channels. It is written in java so it can run on multiple platforms. A question is sent to the IRC channel and the text in the channel scanned for a string that matches one of the accepted answers.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 14
    The goal of the project is to create a Java multi-user game server that can be easily extended and used for adding a multiplayer feature to games. User authentication, chat and interfaces for adding custom capabilities will be provided out of the box.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 15
    Magic:The Gathering over LAN or Internet, alone or against another player (need IP of your opponent). The program is the judge : you play with the true rules. Firemox can also emulate another TBS. Written in Java, works on Mac, Windows and Linux.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    This project seeks to provide a web-interface to a BetaBrite LED sign capbable of sending messages to the sign and displaying them. Additional modules can also be added to have the sign display weather information and RSS.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    BiDiB-Wizard

    BiDiB-Wizard

    Configuration tool for BiDiB decoders (see http://www.bidib.org/)

    This is a configuration tool with graphical user interface to modify properties of and to define macros for BiDiB decoders (see http://www.bidib.org/). The BiDiB-Wizard uses a free JIDE license for open source projects. Please visit http://www.jidesoft.com/ for more information.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18
    Coopnet
    Coopnet is a lobby based Chat with the functionality of launching games. Its aim is to enable users of Windows and Linux to play together on the same network.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    X-Core

    X-Core

    The original Xivio.com World Server Core

    Xivio.com was a commercial children's virtual world website created in 2006 by Gavin Conrad. This is the legacy World Server Java Core made available to the world to do with as it wishes.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    Driver support for 3D Controller Hardware. We hope to support SDL Input, DirectInput, and other major controller API's including game consoles and embedded systems.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    This project implements an API to the Anarchy Online MMORPG chat protocol so that you can create in-game chat bots and out of game chat clients in Java. Source is OS independent, but an executable is included for Windows.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    Basic framework for creating networkable games.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    <b>IVJ MUD (Masive Multiplayer Text Game) is a SSL-based soft:<br>-Client (GUI)<br>-Server (GUI)<br>-Applet (GUI)<br>-Protocol (SSL-based, use of localization files that store strings to reduce trafic and allow for instant i18n.<br> LOOKING FOR HELP!</b
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24

    Mobile Suite

    Mobile Suite is a set of J2ME midlets with a common UI

    Mobile Suite is a set of J2ME midlets with a common UI. Applications are grouped in three: - game (Reversi, Bubblet, ...), - application (Secure SMS, RSS Reader, ...) - programming tool (libraries, test suite, ...).
    Leader badge
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    OAS is an application server for building online, cross-platform, multiplayer/user game applications and provides developers with a framework for handling client/server communication, handling and executing application logic, and multiple client types.
    Downloads: 1 This Week
    Last Update:
    See Project
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