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Browse free open source MMORPG games and projects below. Use the toggles on the left to filter open source MMORPG 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

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • Get safely back to business Icon
    Get safely back to business

    SafetyCulture iAuditor is designed for companies who need to conduct safety inspections & quality audits

    Equip your team with a simple safety inspection and observation app that anyone can learn in minutes, so you can get safely back to business from wherever you are.
    Learn More
  • 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: 3,512 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
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    Downloads: 119 This Week
    Last Update:
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  • 3
    ShowEQ Open Source Project
    ShowEQ or SEQ for short is a program designed to decode the EverQuest data stream and display that information on another computer running the Linux OS in real time. Our Forums are located at https://seq.sourceforge.net/forums/
    Downloads: 128 This Week
    Last Update:
    See Project
  • 4
    OpenKore

    OpenKore

    OpenKore is an automation tool for Ragnarok Online

    OpenKore is an automation tool for Ragnarok Online-compatible games, authorized to be used on KoreRO. **MOVING TO GITHUB** As of February 28th 2016, the OpenKore project has moved to GitHub. Please see the OpenKore wiki for more information: http://openkore.com/index.php/Git This SourceForge page will remain online for now, but the project has been locked in "read-only" mode and no more updates will be published here. **DOWNLOADING KORE FROM THIS PAGE WILL GIVE YOU AN OLD VERSION**
    Downloads: 35 This Week
    Last Update:
    See Project
  • Connect with customers in one app Icon
    Connect with customers in one app

    Businesses of all sizes seeking an AI-enhanced, all-in-one communication platform to unify voice, video, and messaging for improved team collaboration

    Dialpad Connect is an AI-powered unified communications platform that combines voice, video, and messaging to enhance team collaboration and customer interactions. It features real-time call transcription, automated call summaries, and AI-generated action items to help users stay focused during conversations. The platform integrates seamlessly with popular business apps like Salesforce, Zendesk, Microsoft Teams, and Google Workspace to streamline workflows. Designed for businesses of all sizes, Dialpad Connect delivers enterprise-grade reliability with 100% uptime SLA and robust disaster recovery. Security and privacy are core priorities, meeting standards like GDPR, HIPAA, and SOC 2 compliance. Dialpad Connect helps companies elevate customer experiences while boosting team productivity.
    Learn More
  • 5
    WorldForge

    WorldForge

    Provides a full suite of clients and servers for virtual worlds.

    Worldforge provides clients, servers, tools and protocol to allow for anyone to create and host their own virtual and online world.
    Downloads: 75 This Week
    Last Update:
    See Project
  • 6
    Dawn of Light

    Dawn of Light

    Dark Age of Camelot server emulator

    Sourceforge is discontinued, now on Github: https://github.com/Dawn-of-Light Framework for interacting with the Dark Age of Camelot client (Mythic, EA/Mythic, BioWare, Broadsword licensed). Also know as a Dark Age of Camelot ( DAoC ) Server Emulator. Give life to your own world ! Please consider playing live: http://www.darkageofcamelot.com
    Downloads: 12 This Week
    Last Update:
    See Project
  • 7
    Anarchy Online Item Assistant (AOIA) is an application you keep running alongside Anarchy Online when you play. It will keep track of all your items for all your toons in a local database, and lets your browse and search for items easily.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 8
    Ryzom
    Ryzom Core is a toolkit for the development of massively online universes. It provides the base technologies and a set of development methodologies for the development of both client and server code.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 9
    Mundo The Game

    Mundo The Game

    A multiplatform medieval 3D MMORPG

    Multiplatform 3D MMORPG Current version have a map of more than 1.000.000 m2, plus caves and hell sceneries, 17 NPCs, 26 kinds of monsters, 63 different items and 100 quests. Test server is up! Just download and run!
    Downloads: 8 This Week
    Last Update:
    See Project
  • CloudZero: The Cloud Cost Optimization Platform Icon
    CloudZero: The Cloud Cost Optimization Platform

    CloudZero automates the collection, allocation, and analysis of your infrastructure and AI spend to uncover waste and improve unit economics.

    CloudZero is the leader in proactive cloud cost efficiency. We enable engineers to build cost-efficient software without slowing down innovation. CloudZero's next-generation cloud cost optimization platform automates the collection, allocation, and analysis of cloud costs to uncover savings opportunities and improve unit economics. We are the only platform that enables companies to understand 100% of their operational cloud spend and take an engineering-led approach to optimizing that spend. CloudZero is used by industry leaders worldwide, such as Coinbase, Klaviyo, Miro, Nubank, and Rapid7.
    Learn More
  • 10
    CoverAO
    English: Cover AO is an FREE 2D MMORPG Open Source based of Argentum Online (https://sourceforge.net/projects/morgoao/) Inside this fantasy free world, set in a medieval era. You are in charge of writing your own story. Where you can build, train, trade, conquer and interact in real time with the rest of the players in the world. Important: Client and server are distributed under Affero GPL v1. - Spanish: Cover AO es un MMORPG 2D GRATUITO de código abierto basado en Argentum Online (https://sourceforge.net/projects/morgoao/) Dentro de este mundo libre de fantasía, situado en una época medieval. Tú eres el encargado de escribir tu propia historia. Donde podrás construir, entrenar, comerciar, conquistar e interactuar en tiempo real con el resto de los jugadores del mundo. Importante: El cliente y el servidor se distribuyen bajo Affero GPL v1.
    Downloads: 16 This Week
    Last Update:
    See Project
  • 11
    A 3D game use Ogre for Graphics Engine,MITA for Audio Engine and OIS. Ogre and OIS we already know is very famous.MITA is a Audio Engine can be used to game and all kinds of audio process.It's high efficient,high quality and very flexible.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 12
    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: 3 This Week
    Last Update:
    See Project
  • 13
    Ruthnar Online

    Ruthnar Online

    Free Online MMORPG with Battlegrounds

    Ruthnar Online is a free sandbox 2D MMORPG where you can face powerful creatures to develop your character in an open medieval fantasy world and craft your own equipment with eight diferent professions. The game also features guild wars and four different factions, join one of them to defend it and raid enemy cities. Finally, when you get strong enough you'll be able to fight in the BattleGrounds: Stronghold Conquests, Combat Arenas, Survival/Battle Royale, Leagues, Tournaments and more.
    Downloads: 15 This Week
    Last Update:
    See Project
  • 14

    Sylverant

    An open-source Phantasy Star Online server for *nix

    Sylverant is an open-source server for the Phantasy Star Online series of games by Sega, written primarily for Unix-like operating systems. Sylverant has at least partial support for most versions of Phantasy Star Online, from the Network Trial for the Dreamcast through Blue Burst for Windows.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 15
    Emulador WYD Core
    (English) Emulator developed for the game With Your Destiny (WYD), by team EWC(Emulator Wyd Core), Software non-profit (free), GNU License. Contact marcelinho1112@hotmail.com, Contributions are accepted. EWC project is Open Source.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 16
    CharImport

    CharImport

    World of Warcraft character converter, supporting multiple emulations

    CharImport is a character converter for World of Warcraft private servers. This tool allows administrators of private servers to copy characters from the Official Armory or from a database to another server. It is also possible to save character/account profiles into template files, which can be divided/distributed and re-imported. You can e.g. copy all accounts with their characters to another server or individual accounts and characters. The two servers do not need to be based on the same Core! The program currently supports the following emulations (Cores): • TrinityCore, Mangos, ArcEmu, TrinityCore2, SkyFireEmu and others that are based on the foregoing. The application is written in VB.Net. In addition to an English version, there is also a German one.
    Leader badge">
    Downloads: 6 This Week
    Last Update:
    See Project
  • 17

    Realmcraft [Free]

    Realmcraft Download (on Engine001.com)

    Realmcraft is the Runescape of the Map001 engine. Realmcraft is a game created to be a Runescape based Action RPG that takes place in a new large world. Premium version is the Full version of the game, with so many more features, it's will be worth to buy. (incomplete so don't)
    Downloads: 6 This Week
    Last Update:
    See Project
  • 18
    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: 3 This Week
    Last Update:
    See Project
  • 19
    A server for the game GodsWar
    Downloads: 4 This Week
    Last Update:
    See Project
  • 20
    A real-time, mob, rpg. Similar in play to Mafia Wars. Gamers build their own gang, fight other players, do jobs to gain rewards, strength, exp, with the goal of growing one's gang. Players can up stats by visiting markets, or donating to game site.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    Official IP Changer for Tibia written by Czepek for Polish OpenTibia Support.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 22
    MMORpgmaker
    A MMORPG Game Engine Writted in Monogame GL full C# Very easy to make a game. With simple Level Editor. Whit cross-plattform Server on .NET Core Tecnology Build your Cross-Platform Game whitout programming! Aviable for Xbox one, PS4, Android, iOS and more platform. Try Live Demo: http://www.makingitalia.net/MireWEB/ Project are migrated on Mire Engine. See Updated at: http://www.makingitalia.net/mire/
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    eAthena
    eAthena is a collaborative software development project revolving around the creation of a robust massively multiplayer online role playing game (MMORPG) server package. Written in C, the program is very versatile and provides NPCs, warps and modifications. The project is jointly managed by a group of volunteers located around the world as well as a tremendous community providing QA and support. eAthena is a continuation of the original jAthena project.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 24
    Ceres CP, to use with eAthena and other Athena SQL based servers
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25

    PickAxe

    Frontend for Minecraft Server

    Neatly wraps the official Minecraft Server in an easy to configure application.
    Downloads: 1 This Week
    Last Update:
    See Project
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