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 🚀

Distributed server for social and realtime games and apps.

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 = 12.0.1.66263, 3.3.5 = 3.3.5a.12340, cata classic = 4.4.2.60895)

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

PartyKit simplifies developing multiplayer applications

Rivet Actors are a serverless primitive for stateful workloads. Each actor has built-in state, storage, workflows, scheduling, and WebSockets — everything needed to build the next generation of software.

Liveblocks gives you the building blocks and infrastructure to enable people and AI to work together inside your app.

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+

Flexible, extensible, and scalable video game matchmaking.

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