MonoGame / MonoGame
One framework for creating powerful cross-platform games.
MonoGame / MonoGame
heroiclabs / nakama
Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.
gonglei007 / GameDevMind
最全面的游戏开发技术图谱(Game Development Map)。帮助游戏开发者们在已知问题上节省时间，省出更多的精力投入到更有创造性的工作中去。
AlmasB / FXGL
Java / JavaFX / Kotlin Game Library (Engine)
killop / anything_about_game
A wonderful list of Game Development resources.
topfreegames / pitaya
Scalable game server framework with clustering support and client libraries for iOS, Android, Unity and others through the C SDK.
excaliburjs / Excalibur
🎮 Your friendly TypeScript 2D game engine for the web 🗡️
ppy / osu-framework
A game framework written with osu! in mind.
genaray / Arch
A high-performance C# based Archetype & Chunks Entity Component System (ECS) with optional multithreading.
kingston-csj / jforgame
jforgame是一个一站式游戏服务器开发框架。包含游戏服务器开发所需要的各种组件，比如socket服务端与客户端，高性能线程模型，自定义二进制消息编解码，自定义orm工具，异步持久化方案，游戏热更新，配置表自动化仓库，游戏通用工具等等，同时提供大量业务案例以供学习。亦可用于其他socket应用，例如及时聊天等。
dobyte / due
A High-Performance Distributed Game Server Framework in Go
FosterFramework / Foster
A small C# game framework
RandyGaul / cute_framework
The *cutest* framework out there for creating 2D and 3D games in C++!
MaiKuraki / UnityStarter
Production-ready modular Unity framework: UE-inspired Gameplay Ability System, zero-GC core, HybridCLR hot-update, Luban config pipeline, data-driven build & atlas workflows. DI-friendly, deterministic, cross-platform, CI-ready. 生产级模块化 Unity 框架：类虚幻引擎 GAS 玩法能力系统 · 零 GC 核心 · HybridCLR 热更新 · Luban 配置管线 · 数据驱动构建与图集工作流。DI 友好 · 确定性构建 · 跨平台 · CI 就绪。
friflo / Friflo.Engine.ECS
High-performance C# ECS
GameFrameX / GameFrameX
An open-source toolbox that takes a game all the way "from idea → built → live" — Unity/Godot/Cocos/Laya clients + one .NET server. | 开源游戏全流程工具箱：Unity/Godot/Cocos/Laya 客户端 + .NET 服务器，从想法到上线一站搞定。
lordmauve / pgzero
A zero-boilerplate games programming framework for Python 3, based on Pygame.
InvadingOctopus / comedot
Godot template and component-based framework for 2D games.
Shmellyorc / Void
A modular, extensible 2D game framework for .NET.