Unity3D Client And C# Server Framework

#1 Open Source Unity Networking Library

A fast, scalable, distributed game server engine/framework for C++, include the actor library, network library, can be used as a real time multiplayer game engine ( MMO RPG/MOBA ), which support C#/Lua script/ Unity3d, Cocos2dx and plan to support Unreal.

Biomes is an open source sandbox MMORPG built for the web using web technologies such as Next.js, Typescript, React and WebAssembly.

an unity mmo demo, base on ecs(game play), xlua(ui)

Python fitting assistant, cross-platform fitting tool for EVE Online

A curated list of tutorials/resources for hacking online games.

go分布ぶんぷ式服しきふく务器，基き于内存そんmmo

A free/open source client and automation tool for Ragnarok Online

Distributed Java game server, including cluster management server, gateway server, hall server, game logic server, background monitoring server and a running web version of fishing. State machine, behavior tree, A* pathfinding, navigation mesh and other AI tools

A battle of balls game, lol style. 基もと于ET 8.1的てき双そう端はしC#(.net8 + Unity2022.3, EUI+Luban+YooAsset)多た人ひと在ざい线英雄えいゆう联盟风格的てき球たま球だま大作たいさく战。

The main repository for the Darkflame Universe Server Emulator project.

An Ultima Online server emulator written in C# .NET

这是一いち个轻量りょう级的、一いち站式的てきjava游ゆう戏服务器框かまち架か，也可用よう于开发简单的web服ふく务。基もと于netty实现了りょう高性能こうせいのう通どおり讯，支持しじtcp、http、websocket等とう协议，支持しじprotobuf、json两种数すう据すえ格式かくしき，支持しじ以配置はいち的てき形式けいしき轻松开启多端たたん口こう网络服ふく务。支持しじRPC远程调用，支持しじ以优雅みやび的てき方式ほうしき实现远程调用，支持しじ调用超ちょう时重试、幂等调用。封ふう装そう了りょう持久じきゅう化か层，提供ていきょう数すう据すえ访问和わ数すう据すえ落地おろち接せっ口こう，支持しじ异步新しん增ぞう、保存ほぞん、删除数すう据すえ，支持しじ主ぬし键或指定してい其他字じ段だん进行数すう据すえ缓存。支持しじ简单的てきioc，业务层使用しよう依よ赖注入ちゅうにゅう实现逻辑。封ふう装そう了りょう伪协程ほど实现方案ほうあんPromise，可用かよう于解决地狱式回かい调等问题。支持しじMVC、领域、ECS架か构。

Kaetram is an open-source 2D HTML5 MMORPG. It is an extended version of BrowserQuest (BQ).

Easy to use high performance Network library for Unity 3d

游ゆう戏中捏こね脸的实现

Reldens - You can make it - Open Source MMORPG Platform

command line virtual plant buddy

SpatialOS GDK for Unreal Plugin