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

  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
    Get Started Free
  • 99.99% Uptime for MySQL and PostgreSQL Databases Icon
    99.99% Uptime for MySQL and PostgreSQL Databases

    Sub-second maintenance. 2x read/write performance. Built-in vector search for AI apps.

    Cloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
    Try Free
  • 1
    LOTRO Companion

    LOTRO Companion

    A companion for your LOTRO activities

    LOTRO Companion is a desktop application. It manages characters of the Lord of the Rings Online (LOTRO) MMORPG. It has 3 main goals: - track the status of one or several characters: current gear, deeds, quests, collections... - simulate gear/virtues, compute result stats and analyze stats contributions - lore database: quests, items, deeds, mounts, pets... Character data is imported from the game client running locally. See https://discord.gg/t2J4GDq See https://www.facebook.com/lotrocompanion/
    Leader badge
    Downloads: 1,911 This Week
    Last Update:
    See Project
  • 2
    Arianne RPG

    Arianne RPG

    Arianne is an engine to develop multiplayer online games like Stendhal

    Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. Thousands of creatures are ready to fight, above and below ground, and as players level up they can compare themselves on a detailed stats website. The engine Marauroa provides a simple way of creating games on a portable and robust server architecture. Marauroa manages the client server communication and provides an object orientated view of the world for game developers. It handles database access in a transparent way to store player accounts, character progress and the state of the world
    Leader badge
    Downloads: 244 This Week
    Last Update:
    See Project
  • 3
    PolanieOnLine
    PolanieOnLine is multiplayer online 2D game using Java and SQL.
    Downloads: 441 This Week
    Last Update:
    See Project
  • 4
    Ceres CP, to use with eAthena and other Athena SQL based servers
    Downloads: 5 This Week
    Last Update:
    See Project
  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
    Start Free
  • 5
    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: 6 This Week
    Last Update:
    See Project
  • 6
    Multiverse

    Multiverse

    Open Source Virtual World and MMOG Development Platform

    3D Client (Windows), Server, and Tools to easily create massively multiplayer games and virtual worlds. If you want to contribute to the source code please go to https://github.com/multiversemmo/MultiversePlatform
    Downloads: 3 This Week
    Last Update:
    See Project
  • 7
    2D isometric MMORPG using the SDL framework. Daimonin offers a free public server at https://www.daimonin.org . A Unity client is also in active development.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    Darkfall Emulator

    Darkfall Emulator

    Develop an emulated Darkfall Online Server.

    This project is the development of an open source fully emulated Darkfall Online Server and reverse engineering the proprietary game engine that DFO uses, the SF3D engine as well as its source code.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    Game Bot

    Game Bot

    Auto Presser for Games

    Auto Presser for games. Oyunlar için oto tuş yazılımıdır. OpenJDK ve OpenJFX kullanılmıştır. Windows versiyonu için SFX paketi içerisinde gerekli kütüphaneler ve geliştirme paketleri bulunmaktadır. Linux versiyonu için lütfen blogumu ziyaret edin ve gerekli adımları uygulayarak, Java 12 ve JavaFX 12 nin kurulumlarının doğru yapıldığına emin olun. -Gerekli Java Sürümü 12.0.1 veya daha yeni.
    Downloads: 3 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 10
    PolskaOnLine
    PolskaOnLine is multiplayer online 2D game using Java and SQL.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    WowSync
    World of Warcraft player account synchronization and backup. This will save your WTF/Account files and not the interface directory. Using JSCH for secure file transfer.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    CraftBukkit-CommandsEX

    CraftBukkit-CommandsEX

    Modular Minecraft server plugin - commands, events, ...

    This project gives you freedom to get a fully-customized plugin for CraftBukkit Minecraft servers. You choose what to include and build it up. No more command collisions, no unnecessary memory and processor overhead on your server.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    Event Horizon Fight Statistics
    EHFS is a World of Warcraft combat log parsing and report generating tool. It aims to generate easy-to-read, easy-to-interprete reports without throwing heaps of information at you which you probably won't need in the first place.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    Repository for various programs created for use with Wurm Online.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    Agle means ANOTHER GAME LIBRARY and ENVIRONMENT Agle has a java client and a c++ linux server
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Anarchy Online Personal Damage Dumper
    Third party tool made for the MMORPG Anarchy Online (http://www.anarchy-online.com/) Parses information from a log file generated by the game and creates dump scripts for viewing different statistics ingame.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Ancestra Remake
    Petite reprise d'Ancestra, rien de très "professionnel". Ici, seul les sources seront distribuées. Je(DeeZ) reprend actuellement AncestraR. Des mises à jours seront assez règulière. N'oubliez pas de suivre le projet grâce au forum de source forge !
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    This is our Bleach game. We have a fairly large team of developers so have made our code SVN!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Advanced editor for City Of Heroes Mission Architect files.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    We're starting to develop a new MMORPG with high quality graphics and gameplay. You can now check out our media wiki for more -> https://sourceforge.net/apps/mediawiki/hellquestonline/
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Browser-based MMORPG, similar to Margonem. Uses jQuery to display engine in web browser and server application written in Java
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Simple tool for parsing and reporting on the combat log generated by games by Cryptic Studios
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    D&D HP Monster Calculator

    D&D HP Monster Calculator

    Keep track of all your monsters during your encounters in a simple way

    Allows you to quickly manage the HP of multiple monsters as well as keep quick notes about the monsters!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24

    DAOC QBar Saver and SC Gem Loader

    DAOC QBar Saver and SC Gem Loader

    This program is written to speed up the SpellCrafting process for Dark Age Of Camelot (DAOC). In addition it can Save and Restore Qbars. This Program currently ONLY SUPPORT Gearbunny classic and Gearbunny X template files. There are examples in the zip file.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Decimation is an open-source multiplayer game framework programmed in Java. It can support a variety of 3D games, ranging from small four-person games to large massively multiplayer online role-playing games, supporting thousands of concurrent users.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next