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
    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
  • 2
    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: 5 This Week
    Last Update:
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  • 3
    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: 11 This Week
    Last Update:
    See Project
  • 4
    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: 10 This Week
    Last Update:
    See Project
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  • 5
    mod_MumbleLink

    mod_MumbleLink

    Positional Audio Communication for Minecraft with Mumble

    A Mod so that Minecraft now natively supports Mumble's positional audio feature. This means: Directional and positionally attenuated VOIP in relation to the game world. Please visit the Forum for information about the newest Version! Main Forum-Thread: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1272675 TheSkorm's Fork on GitHub: https://github.com/TheSkorm/mod_mumblelink Mumble: http://mumble.sourceforge.net Donations are greatly appreciated: https://sourceforge.net/donate/?user_id=2370023
    Downloads: 2 This Week
    Last Update:
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  • 6
    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: 4 This Week
    Last Update:
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  • 7
    'betoffice' is a Java based football management tool (someone would say a 'betting-office'). It helps to organize a betting office around some football matches.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 8
    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: 4 This Week
    Last Update:
    See Project
  • 9
    A cross-platform (java based) open source 3d chat platform.. Provides a python programming interface and internal program editor.
    Downloads: 3 This Week
    Last Update:
    See Project
  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

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  • 10
    JavaHMO is a media server for the Home Media Option (HMO) from TiVoŽ implemented in the Java programming language.
    Downloads: 3 This Week
    Last Update:
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  • 11
    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: 3 This Week
    Last Update:
    See Project
  • 12
    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:
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  • 13
    DB Web Admin Provides access to your databases through a web interface. It gives users visibility into their SQL Server database instances. DBWA shows users Currently running SQL Queries, Historic Queries, and Fragmented Indexes. DBWA also allows users to kill currently running queries or run their own SQL queries. DBWA is implemented in ASP.NET MVC using C#. Previous Versions supported Oracle(PL/SQL and JSP), MS SQLServer (ASP), and MySQL/ODBC (C#.NET) versions.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    The Templar Knight Bot is an open source Java Bot that attempts to be a highly configurable bot base. Each component is meant to be completely modular and replaceable. The GUI and the automatic functions are at the focus of this and allows the bot to fu
    Downloads: 2 This Week
    Last Update:
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  • 15
    A light-weight yet feature-rich Second Life chat client.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 16
    BattleShip

    BattleShip

    The BattleShip is an online game developed in Java.

    The BattleShip was developed using Java. It is an online game where one user has to sink the other user’s ships. The game uses Server-Client structure, each user has a map where he needs to allocate his ships and one map where he will choose where to shoot to try to hit his enemy’s ships. The one who hit all opponent’s ships first, wins the game. The ships allocation can be manually or automatic (random position) and there is also a chat implemented where one user can talk to his opponent. UPDATE: Battleship v2.0 has now single player mode. The user can play against the computer.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    BTLib package is a J2ME Bluetooth library usefull when developing applications for Java, Bluetooth enabled mobile devices. The other packages are individual applications utilizing BTLib. You can download any of them and run it in your mobile device.
    Downloads: 1 This Week
    Last Update:
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  • 18
    A java remake of the legendary BBS door game Falcon's Eye.
    Downloads: 1 This Week
    Last Update:
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  • 19
    Basic framework for creating networkable games.
    Downloads: 1 This Week
    Last Update:
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  • 20
    L2Net is .net Alternative Lineage 2 Server and Client.
    Downloads: 1 This Week
    Last Update:
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  • 21
    A Settlers of Catan version for MIDP 1.0 mobile devices, with a colour interface.
    Downloads: 1 This Week
    Last Update:
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  • 22
    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:
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  • 23
    Client for Game Masters (of a RPG) to control a Game session using Y! Messenger Protocol. This allows GM to talk to the whole group, a sub-group (or individual), etc. and helps her to have a centralized GUI, while players can connect normally to Y! Msgr.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    Sea Wars is a variation on Battleship, and provides an excellent testbed for artificial intelligence research.
    Downloads: 1 This Week
    Last Update:
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  • 25
    Open Clan Manager (OCM) ist ein auf PHP & MySQL basierender clanintern / [RG]intern Nachbau. Open Clan Manager (OCM) is a free clanintern / [RG] intern replacemant based on PHP & MySQL.
    Downloads: 1 This Week
    Last Update:
    See Project