Complete Open Source and Modular solution for MMO
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Updated
Sep 24, 2026 - C++
Complete Open Source and Modular solution for MMO
Biomes is an open source sandbox MMORPG built for the web using web technologies such as Next.js, Typescript, React and WebAssembly.
Reldens - You can make it - Open Source MMORPG Platform
An infinity procedural online game using Flutter with NodeJS and flames
Distributed Java game server, including login, gateway, game demo
Albion online stats is an extension to MMORPG game - Albion Online. It tracks network traffic and displays various statistics, such as damage and DPS meter calculated from in-game actions.
A server emulator for Lineage2 Interlude written in C#
A modern Ultima Online server written in PHP
WTF?! Adventure is a massively online 2D MMORPG with WTF?! twists.
A free, open source 2D online RPG engine in C#/.NET
Scalable MMO servers instantiation, dungeon instantiation and player balancing subsystem for unreal engine
Python-based MMO game framework using sockets and PyGame.
Open Source Php/NodeJs Online RPG and Trading Game Engine
World of Warcraft 2.4.3 Server Emulator
Client for Argentum Online
Legacy VB6 ORPG engine
Open-source AI co-author for novelists & world-builders. ✍️ Canon-safe writing · RAG lore glossary · polyglot translation · BYOK multi-LLM. 🎮 Living-world MMO RPG extension — step inside the worlds you write, where LLM-driven NPCs bring your canon to life. Go · Python · NestJS · React. 🌍✨
An attempt to build a #Travian 3.x clone written in #Rust.
Legacy VB6 open-source ORPG
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