The best GameNetworkingSockets alternatives

Photon Realtime is aimed at multiplayer game developers, from indie developers to AAA studios, who need cloud-hosted networking across platforms.

Photon Fusion suits game developers building multiplayer projects with Unity, Unreal, or Godot who need to choose among different network topologies…

Colyseus suits developers building multiplayer games who want server-side state handling and automatic matchmaking.

It suits Unity developers building online multiplayer games that use deterministic simulation and rollback.

Normcore suits Unity developers building multiplayer games or other networked experiences across desktop, mobile, XR, and WebGL.

It suits developers building multiplayer games or other multiuser services who need client/server tools, networking options, and server extensions.

FishNet suits Unity developers building multiplayer games who want to choose their hosting model and use built-in prediction tools.

Netcode for GameObjects suits Unity developers building multiplayer games with smaller player counts or adding networking to a GameObject-based game.

It suits developers and publishers running session-based multiplayer games across console, PC, mobile, web, or AR/VR platforms.

Mirror suits developers building multiplayer games in Unity across genres, including small MMORPGs.

Netick is for Unity developers building client-server multiplayer games who need server-authoritative state sync, prediction, replay, or transport…

netcode.io suits developers building real-time multiplayer games with a client-server design and UDP transport.

Steam Input suits players who want to customize supported controllers for games, including titles without native API support.

DarkRift 2 suits developers building authoritative multiplayer servers with Unity or .NET.