aws-solutions-library-samples/guidance-for-custom-game-backend-hosting-on-aws

A self-hostable game backend - the easiest way to add authentication, stats, leaderboards and (so much) more to your game

A collection of infrastructure as code templates and configurations for deploying game development infrastructure on AWS

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

The Amazon GameLift Plugin for Unreal contains libraries and native UI that makes it easier to access GameLift resources and integrate GameLift into your Unreal game. You can use the GameLift Unreal Plugin to access GameLift APIs and deploy AWS CloudFormation templates for common gaming scenarios.

Talo's Godot plugin for open source leaderboards, stats, auth, game saves and more

The Amazon GameLift Plugin for Unity contains libraries and native UI that makes it easier to access GameLift resources and integrate GameLift into your Unity game. You can use the GameLift Unity Plugin to access GameLift APIs and deploy AWS CloudFormation templates for common gaming scenarios.

Open-source platform for multiplayer games

Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.

The Unity SDK for LootLocker