Reactor Multiplayer Engine Alternatives

Steamworks is a set of tools and services that help game developers and publishers build their games and get the most out of distributing on Steam.

Independent networking engine and multiplayer platform.

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

Create real-time, networked games.

Microsoft Game Stack can help you find the right mix of tools and services to fit your game development needs.

Multiplayer gaming cloud designed for Unity game developers

Nakama is an open-source distributed social and realtime server for games and apps.

Open Source

Open-source JavaScript framework to create cross-platform and hybrid game engines, games, emulators, multimedia libraries and apps

GameSparks is a Backend-as-a-Service solution provider to mobile game developers to help them...

PlayFab is a backend platform for games, delivering powerful real-time tools and services for LiveOps.

With this mod you're able to display a ghost image of a schematic file inside Minecraft to rebuild a structure or export any part of your world (or a server's world) into a schematic file. You're able to export parts of your world, too!

Multiplayer Game Server for Node.js. Focus on the gameplay instead of networking.

Open Source

Massive multiplayer platform

DarkRift Networking is a fast, flexible and superpowered networking solution for .NET and Unity.

Open Source