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.

  • 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.
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    Cut Data Warehouse Costs by 54%

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  • 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/
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    Downloads: 1,827 This Week
    Last Update:
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  • 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
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    Downloads: 53 This Week
    Last Update:
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  • 3
    PolanieOnLine
    PolanieOnLine is multiplayer online 2D game using Java and SQL.
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    Downloads: 93 This Week
    Last Update:
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  • 4
    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: 16 This Week
    Last Update:
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  • Host LLMs in Production With On-Demand GPUs Icon
    Host LLMs in Production With On-Demand GPUs

    NVIDIA L4 GPUs. 5-second cold starts. Scale to zero when idle.

    Deploy your model, get an endpoint, pay only for compute time. No GPU provisioning or infrastructure management required.
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  • 5
    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: 10 This Week
    Last Update:
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  • 6
    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: 19 This Week
    Last Update:
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  • 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: 2 This Week
    Last Update:
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  • 8
    SWTOR Combat Log Analyzer

    SWTOR Combat Log Analyzer

    Grafischer Kampflog Analyzer für SWTOR

    A new version (1.2) is out now! Check it out. Eine neue Version (1.2) ist draußen! Probiert es aus. Grouping the data (damage and heal) for each fight. Views with detailed data. Mit dem SWTOR Combatlog Analyser können die Kampflogs (gibt es seit SWTOR 1.2) ausgewertet werden. Viel Spass bei der Benutzung. With the SWTOR Combatlog Analyzer you are able to analyze the combat log of SWTOR (avaiable since 1.2). You must have Java 6 installed. Details are here: http://www.java.com/de/download/ Have fun! You will find details here: Details findest Du hier:
    Downloads: 8 This Week
    Last Update:
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  • 9
    Stigma - The Game
    Multiplayer online role playing game, based on original mechanics and setting, with a light client (runnable as a Java Applet) and persistent, highly customizable server.
    Downloads: 9 This Week
    Last Update:
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  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
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  • 10

    Sarcoex's Utilities

    A collection of my software utilties

    Downloads: 3 This Week
    Last Update:
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  • 11
    This is a program to assist people planning their characters for Shaiya. You can plan what skills you will take at what level You can also plan what your final build will be, including what gear you will wear.
    Downloads: 1 This Week
    Last Update:
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  • 12
    War of Respect

    War of Respect

    War of Respect is an online turn-based MMORPG in 2D-anime style.

    War of Respect is an online turn-based MMORPG created for public in 2D-anime style. Players are able to communicate, participate in events, reach the top 3 top-players and even more! It's free, and in continue development. War of Respect comes in three variants: War of Respect War of the Players Second Generation (2G for short) It's international, free and fun to play on. If you like to buy extra features (Like 1 extra level) you have to pay with real money. Our team is currently busy with creating the setup so you have our client with the latest updates. If we decide to update your client again, our installer will help you through it. This project on SourceForge has been created, and is being maintained by Deji, CEO DarkWebby Entertainment. If you have any questions do not hesitate to email me at deji@darkwebby.com. War of Respect is created by DarkWebby Entertainment.
    Downloads: 1 This Week
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  • 13
    Downloads: 1 This Week
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  • 14
    Realmlist Swapper
    Realmlist Swapper is a simple and lightweight program that stores your WoW Realmlists and lets you change your realmlist.wtf file with one click. It is cross-platform so the same download works on Windows, Mac, Linux... anything with Java installed.
    Downloads: 1 This Week
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  • 15
    Agle means ANOTHER GAME LIBRARY and ENVIRONMENT Agle has a java client and a c++ linux server
    Downloads: 0 This Week
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  • 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
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  • 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
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  • 18
    This is our Bleach game. We have a fairly large team of developers so have made our code SVN!
    Downloads: 0 This Week
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  • 19
    Ceres CP, to use with eAthena and other Athena SQL based servers
    Downloads: 0 This Week
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  • 20
    Advanced editor for City Of Heroes Mission Architect files.
    Downloads: 0 This Week
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  • 21
    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
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  • 22
    Browser-based MMORPG, similar to Margonem. Uses jQuery to display engine in web browser and server application written in Java
    Downloads: 0 This Week
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  • 23
    Simple tool for parsing and reporting on the combat log generated by games by Cryptic Studios
    Downloads: 0 This Week
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  • 24
    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:
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  • 25

    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:
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