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MUnique / OpenMU

git clone https://github.com/MUnique/OpenMU.git v0.9.0 · 1y ago 🔥 on GitHub Trending today

This project aims to create an easy to use, extendable and customizable server for a MMORPG called "MU Online".

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Star history starts 2026-10-20; the chart appears after the second daily snapshot.

LanguageC#
LicenseMIT
Created2016-09-24 (10y ago)
Last pushtoday
Watchers74
OwnerOrganization

Seen on GitHub Trending

  • 2026-10-20 — #2 daily in c# · +9 ★

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README excerpt
# OpenMU Project
| Platform |Build Status |
|----------------|----------------------|
| Linux | |
| Linux (Docker) | |
| NuGet Packages | |
|----------------|---|
| MUnique.OpenMU.Network | |
| MUnique.OpenMU.Network.Packets | |
This project aims to create an easy to use, extendable and customizable server
for a MMORPG called "MU Online".
The server supports multiple versions of the game, but the main focus is
version of Season 6 Episode 3 using the ENG (english) protocol. Additionally,
the long-term focus is on the open source client
which supports a slightly extended network protocol.
However, parts of the software can also be suitable for the development of
other games, even for other kind of games.
The code is a complete rewrite from scratch - it's not based on pre-existing
projects, and it's also explicitly not based on decompiled server sources or
their countless derivates.
There also exists a blog which may contain some valuable
information about this development.
## Current project state
This project is currently under development without any release.
You can try the current state by using the available docker image, see
Run with Docker.
## Documentation
The documentation lives in the docs-website folder and is built
as a website with Docusaurus. The links below point to
its sources, so they work on GitHub as well.
| | |
|---|---|
| Getting started | Requirements, ports, running with Docker or from source, connecting a game client, test accounts |
| Deployment | The deployment variants, HTTPS, start parameters and environment variables |
| Admin panel | One page per screen of the server's user interface, plus task-oriented how-tos |
| Server features | Features with their own configuration, e.g. the server-side AI bots |
| Development | Architecture, solution structure, the plugin system, contributing |
| Reference | Ports and the generated packet documentation |
The code-bound technical documentation stays next to the code: see docs
for the packet descriptions and the game mechanics, and the `Readme.md` of the
individual projects under src.
To run the website locally:
 [code] 
## Licensing
This project is released under the MIT license (see LICENSE file).
## Contributions
Contributions are welcome — from developers and non-developers alike. Please
read CONTRIBUTING.md before you start, and don't hesitate to
ask in our discord channel or by submitting an
issue.