game backend server / multiplayer backend
Open-source scalable game backend server providing multiplayer networking, matchmaking, leaderboards, chat, and social features.
Solves the same problem with a different architecture or at a different layer. Expect to rewrite the integration.
choose if you want a C++ server framework with shared-memory/networking optimizations and a bundled Unity client sample.
游戏服务器框架，网络层分别用SocketAPI、Boost Asio、Libuv三种方式实现， 框架内使用共享内存，无锁队列，对象池，内存池来提高服务器性能。还包含一个不断完善的Unity 3D客户端，客户端含大量完整资源，坐骑，宠物，伙伴，装备, 这些均己实现上阵和穿戴, 并可进入副本战斗，多人玩法也己实现, 持续开发中。
choose if your stack is Node.js/TypeScript and you want room-based authoritative multiplayer state sync.
⚔ Multiplayer Framework for Node.js
choose if you want a C# Unity client/server framework with integrated game logic rather than a language-agnostic Go backend.
Unity3D Client And C# Server Framework
An earlier or more limited way to do the job. Still the right call when you need something small, proven, or CPU-only.
choose when you only need dedicated matchmaking and already run your own game servers/backend.
Flexible, extensible, and scalable video game matchmaking.
choose only for legacy C++ MMO projects willing to maintain a stale server engine.
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.
These projects were analysed and named nakama among their alternatives. The relationship is not symmetric — how nakama rates them is a separate judgement, made when nakama is analysed in its own right.
calls nakama “Choose it for a realtime game backend with matchmaking and leaderboards; it is narrower and game-specific rather than suited to generic apps.”
Instant is the best backend for AI-coded apps. You get auth, permissions, storage, presence, and streams — everything you need to ship apps your users will love.