Open Source C++ Game Servers

Sunshine is an open-source self‑hosted cloud gaming server that implements NVIDIA’s GameStream protocol. Compatible with Moonlight clients across platforms, it supports low‑latency streaming via software or hardware encoding (AMD/Intel/NVIDIA) and offers a browser‑based control UI for pairing.

AzerothCore is a fully open-source MMORPG server framework designed to recreate the gameplay experience of World of Warcraft’s Wrath of the Lich King expansion in a customizable and self-hosted environment. It is written primarily in C++ and provides a complete backend infrastructure for running private game servers, including world simulation, player interaction, combat systems, and database-driven content. The project is highly modular, allowing developers to extend or modify game behavior through plugins and custom modules without altering the core engine. It emphasizes stability and “blizzlike” accuracy, meaning it strives to replicate the original mechanics of the official game as closely as possible. The framework is also used as an educational resource for understanding how large-scale online game servers are structured and maintained. It includes tools for managing server configuration, content scripting, and database operations.

Mangos is an open source project written in C++. It's fast, runs on multiple platforms and stores game data in MySQL or MariaDB. It also has optional support for SOAP. The server supports a wide range of operating systems and various compiler platforms. In order to do that, we use various free cross-platform libraries and use CMake (v3.12+) to provide a cross-platform build system that adapts to your chosen operating system and compiler.

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GameServer is a sophisticated, game server designed for massively multiplayer online games. Built with a C++ core and extensible Python scripting, it provides solution for managing persistent game worlds with real-time player interactions, advanced networking, and comprehensive monitoring capabilities.

Ever played a competitive game with a friend in which one of you hosted the server on their own machine? Ever thought that it's unfair that one person's ping is zero and the other one's is 80? This is an open-source program that can emulate constant ping, ping spikes and packet losses. Download, extract wherever you want, launch the executable and read the instructions that are conveniently placed in the main window of the program. This program allows gamers to fake their ping and packet loss. Only games which allow direct IP connections are supported - this program will not emulate the game server and will not advertise itself on any master server of any game. The idea is this: game client -> proxy -> game server Demonstration video: http://youtu.be/2VWNhmfD1Qk

Shoddy Battle (later known as Pokémon Lab) is a Pokémon simulator created by Cathy and bearzly and first released in July 2007. It allows users to play Pokémon matches against other people online. Shoddy Battle was highly influential on the game of competitive Pokémon because it was free and open source, scalable (700,000 battles per month during its peak), user customisable and extensible, and it provided unprecedented statistical data on player skill and Pokémon usage trends. Visit the web site for more information.

starrydb is game server engine, As long as a few simple scripts can help you quickly build a game server. email:admin@starrydb.com

Yut game server for experimenting game playing agents

A vault system for NWN2. This vault system allows the following: - transfers bic files from game server to game server (using Vaultster); - backups bic files on a central repository; - pushes bic files to every game server for accessibility.

CoXServer is a development project aimed at creating a game server emulator for the game Dark Age of Camelot. The server will be written in C++ and will use a XML backend by default with MSSQL, MySQL and Oracle support in the future.

Diablo 2 Closed Game Server. The project was orginally developed inhouse by Net-Games (www.net-games.com), and has been made opensource for development speed up and getting new features built in.

Try to write a easy use and high performance game server engine for online games

GSD is a meta-daemon used for managing computer game servers, commericial or otherwise.

IO_Crusher is a C++ multithreaded library that permits to handle a huge number of sockets and provide the best responsiveness using the bandwidth as fast as possible. The library is especially designed to be integrated into an Online Game Server.

KYatzy2000 is a network based YATZEE implementation for Linux/KDE. The package conatins a thin client and a multithreaded multi game server designed to be able to run continously. Event if it's mainly designed for multiplayers it also can be played in si

Lann is designed to be a fully featured LAN (party) management system. Features include a game server browser, IM and user managment. The Lann client is designed to be run on all computers at an event and is similar to Xfire (a popular online system)

Modo is a cross-platform online game server and community tool similar in functionality to Valve's Steam platform. The Modo Client is being designed for ease of use and when released, will be free to use by anyone.

Moon is a lightweight game server framework based on the actor model. One worker thread can have one or more actors (services), which communicate with each other through message queues. There are many features for game server development.

This is a project with game server hosters in mind. Rather than following protocol changes of CVS this project will have permanent support for protocol 7.6 but will also always update to the latest client protocols of Tibia and will be managed by a team

A fast, scalable, distributed game server engine/framework for C++, including the actor library, and network library, can be used as a real-time multiplayer game engine ( MMO RPG/MOBA ), which supports C#/Lua script/ Unity3d, Cocos2dx and plan to support Unreal. Easy-to-use, interface-oriented design. An extensible plugin framework that makes getting your application running quick and easy. A clean, uncluttered design and stable engine that has been used in several commercial products. A high-performance actor model (by a safe thread pool). Event and attribute-driven, making it clear and easy to maintain your business. Based on standard C++ development, ensuring cross-platform support. An existing C++ and C# game client for rapid development. Cross-platform support.

Network Game Server to create games of massive multiplayer online RPG.

Quaerum is a multi-platform, multi-game, multi-threaded and multi-language Game Server browser that works out of the box with dozens of online games.

I am very sorry about my poor english. This project is for develop a game server, which is named "RioServer".

This software is a map synchronizer beetwen a game server and its maps' mirror, developed with Warsow in mind, but usable with all the games that use pk3 map files.