Open-source projects categorized as Mmorpg | Edit details

Top 20 Mmorpg Open-Source Projects

  • GitHub repo TrinityCore

    TrinityCore Open Source MMO Framework (master =, 3.3.5 = 3.3.5a.12340)

    Project mention: How private servers work (technically) and why IMHO they are still so bugged in 2021 | reddit.com/r/wowservers | 2021-06-05

    In 2009 another important project was born TrinityCore, based on MaNGOS.

  • GitHub repo Mirror

    #1 Open Source Unity Networking Library

    Project mention: First hosted lobby of my game. Pro-tip: Remember to put a character limit on your names/truncate text | reddit.com/r/justgamedevthings | 2021-06-01


  • GitHub repo rathena

    rAthena is an open-source cross-platform MMORPG server.

    Project mention: How Do I Build A Private Server? | reddit.com/r/RagnarokOnline | 2021-01-21
  • GitHub repo azerothcore-wotlk

    Complete Open Source and Modular solution for MMO

    Project mention: How private servers work (technically) and why IMHO they are still so bugged in 2021 | reddit.com/r/wowservers | 2021-06-05

    Over the years, different projects were born, and they were based on the MaNGOS/TrinityCore code, which mainly varies according to the supported WoW version. For example AzerothCore for 3.3.5, OregonCore for 2.4.3, SkyFire for 5.4.8, CMaNGOS for Classic/TBC/WOTLK, and many others ... All of them based on MaNGOS and/or TrinityCore.

  • GitHub repo forgottenserver

    A free and open-source MMORPG server emulator written in C++

    Project mention: Ravendawn - Upcoming Pixel Based MMORPG | reddit.com/r/MMORPG | 2021-04-17

    Open Source Engine and a very well edited open source client used for the Tibia OT servers and "Pokemon" RPG's you have seen online in the same style, It is the game r/TibiaMMO for those curious on the original game, never played it as I was a Ultima Online player in my early gaming days but it is obvious to anyone who knows about the game.

  • GitHub repo ServUO

    An Ultima Online server emulator written in C# .NET

    Project mention: Words of wise: dont use same passwords for these free shards, some popup only to harvest your passwords to login to other servers be smart about it. | reddit.com/r/ultimaonline | 2021-01-30


  • GitHub repo NexusForever

    An emulator for the defunct MMORPG WildStar which supports build 16042 (Final Patch)

    Project mention: Final Fantasy XIV becomes the most actively played MMORPG in the world, surpassing World of Warcraft | reddit.com/r/Games | 2021-06-10

    I assume because THIS is a thing.

  • GitHub repo ACE

    Asheron's Call server emulator. (by ACEmulator)

    Project mention: Who else is bored of questing in mmorpgs | reddit.com/r/MMORPG | 2021-04-07

    Asheron's Call: https://emulator.ac

  • GitHub repo ryzomcore

    Ryzom Core is the open-source project related to the Ryzom game. This community repository is synchronized with the Ryzom Forge repository, based on the Core branch.

    Project mention: MMORPG devs, what do you think of the open-source attempts at an MMORPG? | reddit.com/r/gamedev | 2021-04-26

    I was trying to find the name of a small mmo that I thought had released source and found the post Any open source MMO servers? which is old but may have some other code that's interesting to read (like ryzom which seems to be still running and active).

  • GitHub repo Valhalla

    A Golang MapleStory (v28) server (by Hucaru)

    Project mention: Looking for a very old version v1~v26 | reddit.com/r/mapleservers | 2021-01-31

    I know one source that is being worked on at the moment that is v28. Not the version you asked, but it's very close. Hucaru/Valhalla: A Golang MapleStory (v28) server (github.com)

  • GitHub repo MobileUO

    MobileUO - the first mobile client for Ultima Online! (by VoxelBoy)

    Project mention: Ask HN: Show me your Half Baked project | news.ycombinator.com | 2021-01-09

    MobileUO: https://github.com/voxelboy/mobileuo/

    I ported Ultima Online to Android and iOS devices. It's a really old MMO at this point but still has a niche following. New community shards are still popping up and some of them (such as UO Outlands) have high populations.

    I opened up a Patreon for the project in hopes that the community and the shard owners would support me enough to keep working on it but I never got past 100 euros per month in pledges. The app does have a stable userbase of around 1000 users though.

    Even though it wasn't a financial success by any measure, I'm really proud to have brought my childhood favourite game to new platforms.

  • GitHub repo esoui

    ESOUI is the Lua source code of the ZenimaxOnline's MMORPG "The Elder Scrolls Online"

    Project mention: What are the most essential or necessary add-ons | reddit.com/r/elderscrollsonline | 2021-05-23
  • GitHub repo TataruHelper

    Tataru Helper - application for translation of in-game texts in Japan MMORPG - Final Fantasy XIV. The texts are understood as MSQ, cutscenes, quests, NPC replicas, etc.

    Project mention: Ayuda conocedores sobre malware, spyware, troyanos, virus, etc. | reddit.com/r/Argaming | 2021-02-23
  • GitHub repo NovusCore

    A modern take on WoW emulation

    Project mention: The game has been figured out. Custom private servers are the future. | reddit.com/r/wowservers | 2021-05-30

    - NovusCore is an attempt to rebuild both the client and server from scratch, but is a very early prototype. Being helpful to this project likely requires more technical knowledge than the others at this stage, but they're very friendly people so there's nothing wrong with asking them directly if you think there's something you can do.

  • GitHub repo NineChronicles

    Unity client application for Nine Chronicles, a fully decentralized idle MMORPG powered by the community.

    Project mention: The battle against Lizard Boss | reddit.com/r/GameArt | 2021-06-14

    Check the early access at http://nine-chronicles.com

  • GitHub repo TravianZ

    Travian T3.6 , BEST VERSION EVER | Server restarted ! Speed 50x , Troops 50x. (by Shadowss)

    Project mention: Travian offline server | reddit.com/r/travian | 2021-03-18
  • GitHub repo PyMMO

    Python-based MMO game framework using sockets and PyGame.

    Project mention: As MMORPG lover, always wanted to write my own MMO games. This weekend I've worked on PyMMO, a framework based on PyGame and Socket. Not sure if it even work in practice but it's getting somewhere. Code is hacky as hell as my intention was purely for study. Feel free to contribute to the GitHub repo | reddit.com/r/Python | 2021-05-16

    Link to the :598: GitHub repo

  • GitHub repo tiny-dungeon-online

    A Tiny Online RPG Game powered by Deno

    Project mention: Tiny Land Online: The First Deno based online RPG | reddit.com/r/Deno | 2021-01-27
  • GitHub repo dungeonz

    Everything for the game Dungeonz.

    Project mention: new dungeonz.io update | reddit.com/r/dungeonz | 2021-04-01
  • GitHub repo 2D-MMORPG-Youtube

    An Open Source 2D MMORPG with Azure (AKS [K8s], CosmosDB and Redis) and Unity Game Engine

    Project mention: Made an Open Source 2D MMORPG. Hope it helps! | reddit.com/r/gamedev | 2021-06-08
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2021-06-14.


What are some of the best open-source Mmorpg projects? This list will help you:

Project Stars
1 TrinityCore 6,711
2 Mirror 2,451
3 rathena 1,708
4 azerothcore-wotlk 1,454
5 forgottenserver 1,061
6 ServUO 397
7 NexusForever 353
8 ACE 194
9 ryzomcore 182
10 Valhalla 135
11 MobileUO 108
12 esoui 105
13 TataruHelper 104
14 NovusCore 92
15 NineChronicles 75
16 TravianZ 61
17 PyMMO 30
18 tiny-dungeon-online 28
19 dungeonz 16
20 2D-MMORPG-Youtube 5