Quilkin is a non-transparent UDP proxy specifically designed for use with large scale multiplayer dedicated game server deployments, to ensure security, access control, telemetry data, metrics and more.
Netcode for GameObjects is a high-level netcode SDK that provides networking capabilities to GameObject/MonoBehaviour workflows within Unity and sits on top of underlying transport layer.
json-joy is a library that implements cutting-edge real-time and collaborative editing algorithms and utilities for JSON data models, with a focus on developing the JSON CRDT (Conflict-free Replicated Data Type) specification and implementation.
Open source Elixir game server with authentication, users, lobbies, groups, parties, friends, chat, notifications, achievements, leaderboards, tournaments, payments, server scripting and an admin portal with HTTP, WebSocket, and WebRTC support and SDK for JS and Godot
Modular TypeScript RPG systems for React Three Fiber and Three.js — quests, dialogue, inventory, AI, multiplayer, persistence, and cross-platform adapters.
Democratizing client-server game development. A deterministic framework bridging Unity and Microsoft Orleans. Write game logic once in C# - it runs on the server (Orleans grains) and replays on the client (Unity / .NET).