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tldraw /tldraw

Star43.3k

very good whiteboard SDK / infinite canvas SDK

react drawing design sync sdk canvas diagram multiplayer sketch collaboration whiteboard infinite

UpdatedOct 7, 2025
TypeScript

4ian /GDevelop

Star16.9k

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

javascript game open-source gamedev html5 game-engine multiplayer game-development gamemaker gdevelop hacktoberfest 3d 3d-game-engine 2d-game 2d-game-engine 3d-game no-code html5-game-engine vibe-coding

UpdatedOct 7, 2025
JavaScript

OpenRCT2 /OpenRCT2

Star14.7k

An open source re-implementation of RollerCoaster Tycoon 2 🎢

game windows linux c-plus-plus visual-studio cmake opengl msbuild server openrct2 roller-coaster cpp roller-coaster-tycoon simulation multiplayer discord sdl2 hacktoberfest

UpdatedOct 7, 2025
C++

SFTtech /openage

Star13.8k

Clone of the Age of Empires II engine 🚀

game python linux c-plus-plus qt cmake opengl game-engine cpp multiplayer engine game-development entity-component-system nyan openage age-of-empires hacktoberfest rts-engine cpp20

UpdatedJun 14, 2025
Python

boardgameio /boardgame.io

Sponsor

Star12.1k

State Management and Multiplayer Networking for Turn-Based Games

react javascript react-native game-engine multiplayer turn-based tabletop boardgames

UpdatedApr 18, 2025
TypeScript

heroiclabs /nakama

Star11.6k

Distributed server for social and realtime games and apps.

social backend multiplayer realtime game-framework game-server unreal-engine realtime-games chat-server unity-engine nakama backend-as-a-service game-backend

UpdatedOct 7, 2025
Go

fogleman /Craft

Star10.8k

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

game c minecraft opengl multiplayer sqlite glsl

UpdatedApr 3, 2024
C

TrinityCore /TrinityCore

Star10.2k

TrinityCore Open Source MMO Framework (master = 11.2.0.63305, 3.3.5 = 3.3.5a.12340, cata classic = 4.4.2.60895)

linux multi-platform wow multiplayer mmorpg trinitycore hacktoberfest

UpdatedOct 6, 2025
C++

0xFA11 /MultiplayerNetworkingResources

Star8.2k

A curated list of Multiplayer Game Network Programming Resources

game gamedev networking csharp cpp unity multiplayer network game-development unity3d godotengine godot godot-engine unreal-engine game-programming network-programming unreal-engine-4 netcode game-networking unreal-engine-5

UpdatedJul 7, 2025
C

[mirror ofhttps://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.

game rpg rust procedural-generation multiplayer terrain voxel gfx-rs cube 3d cubeworld

UpdatedOct 7, 2025
Rust

googleforgames /agones

Star6.5k

Dedicated Game Server Hosting and Scaling for Multiplayer Games on Kubernetes

go kubernetes golang multiplayer game-development game-server dedicated-gameservers agones dedicated-game-servers

UpdatedOct 6, 2025
Go

colyseus /colyseus

Star6.5k

⚔ Multiplayer Framework for Node.js

nodejs networking multiplayer websockets game-server turn-based realtime-games colyseus multiplayer-game-server multiplayer-game-engine

UpdatedOct 3, 2025
TypeScript

partykit /partykit

Star5.3k

PartyKit simplifies developing multiplayer applications

games real-time gaming multiplayer websockets realtime collaboration yjs edge-computing backends crdts durable-objects

UpdatedSep 11, 2025
TypeScript

rivet-dev /engine

Star4.4k

Scale and orchestrate RivetKit

rust actors serverless multiplayer realtime cloudflare actor partykit foundationdb durable-objects cloudflare-durable-objects

UpdatedOct 8, 2025
Rust

liveblocks /liveblocks

Star4.2k

The best apps in the AI era aren’t solo experiences—they’re collaborative. Liveblocks provides customizable pre‑built features to make your product multiplayer, engaging, and AI‑ready. All without derailing your roadmap.

react real-time toolkit multiplayer websockets collaboration crdt comments presence yjs ai-agents commenting-system notifications-systems yjs-provider liveblocks ai-copilot

UpdatedOct 7, 2025
TypeScript

AmbientRun /Ambient

Star3.9k

The multiplayer game engine

rust gamedev game-engine multiplayer game-development webassembly wasm game-engine-3d 3d-graphics wgpu

UpdatedJan 7, 2025
Rust

BrowserBox /BrowserBox

Star3.7k

💚 Secure remote browsing anywhere.

sanitization chrome browser embeddable multiplayer webrtc proxy-server tor onion-service reverse-proxy cybersecurity web-browser cdr hidden-services rbi zero-trust remote-browser-isolation cobrowsing remote-browsers web-isolation

UpdatedSep 25, 2025
JavaScript

Warzone2100 /warzone2100

Sponsor

Star3.5k

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+