Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

very good whiteboard infinite canvas SDK

🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Clone of the Age of Empires II engine 🚀

Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.

State Management and Multiplayer Networking for Turn-Based Games

A simple Minecraft clone written in C using modern OpenGL (shaders).

TrinityCore Open Source MMO Framework (master = 12.0.1.66838, 3.3.5 = 3.3.5a.12340, cata classic = 4.4.2.60895)

DEPRECATED - A HTML5/JavaScript multiplayer game experiment

A curated list of Multiplayer Game Network Programming Resources

[mirror of https://gitlab.com/veloren/veloren] An open world, open source voxel RPG inspired by Dwarf Fortress and Cube World. This repository is a mirror. Please submit all PRs and issues on our GitLab page.

⚔ Multiplayer Framework for Node.js

Dedicated Game Server Hosting and Scaling for Multiplayer Games on Kubernetes

(Unity3D) Test multiplayer without building

My understanding of Unreal Engine 5's GameplayAbilitySystem plugin with a simple multiplayer sample project.

PartyKit simplifies developing multiplayer applications

Rivet Actors are the primitive for stateful workloads. Built for AI agents, collaborative apps, and durable execution.

A first person multiplayer shooter example project in Unity

Realtime infrastructure for multiplayer apps and agents

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.

The multiplayer game engine

💚 Secure remote browsing anywhere.

Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macOS, Linux, BSD+

A multiplayer game about paranoia and chaos on a space station. Remake of the cult-classic Space Station 13.

Flexible, extensible, and scalable video game matchmaking.

Third-person Survival Game for Unreal Engine (Sample Project)

A full-stack, syncing database that runs on both server and client. Pluggable storage (indexeddb, sqlite, durable objects), syncs over websockets, and works with your favorite framework (React, Solid, Vue, Svelte).

Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.

A retro multiplayer shooter