Browse free open source Game Servers and projects for Windows below. Use the toggles on the left to filter open source Game Servers by OS, license, language, programming language, and project status.

  • The AI workplace management platform Icon
    The AI workplace management platform

    Plan smart spaces, connect teams, manage assets, and get insights with the leading AI-powered operating system for the built world.

    By combining AI workflows, predictive intelligence, and automated insights, OfficeSpace gives leaders a complete view of how their spaces are used and how people work. Facilities, IT, HR, and Real Estate teams use OfficeSpace to optimize space utilization, enhance employee experience, and reduce portfolio costs with precision.
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  • Outbound sales software Icon
    Outbound sales software

    Unified cloud-based platform for dialing, emailing, appointment scheduling, lead management and much more.

    Adversus is an outbound dialing solution that helps you streamline your call strategies, automate manual processes, and provide valuable insights to improve your outbound workflows and efficiency.
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  • 1
    Sunshine

    Sunshine

    Self-hosted game stream host for Moonlight

    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.
    Downloads: 829 This Week
    Last Update:
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  • 2
    Scrabble3D
    <b>The project is continued at https://github.com/Scrabble3D. Find the latest program version under Binaries.</b> Scrabble3D is a highly customizable Scrabble game that not only supports Classic Scrabble and Superscrabble but also 3D games and own boards. You can play local against the computer or connect to a game server to find other players.
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    Downloads: 119 This Week
    Last Update:
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  • 3
    Arianne RPG

    Arianne RPG

    Arianne is an engine to develop multiplayer online games like Stendhal

    Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. Thousands of creatures are ready to fight, above and below ground, and as players level up they can compare themselves on a detailed stats website. The engine Marauroa provides a simple way of creating games on a portable and robust server architecture. Marauroa manages the client server communication and provides an object orientated view of the world for game developers. It handles database access in a transparent way to store player accounts, character progress and the state of the world
    Downloads: 58 This Week
    Last Update:
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  • 4
    Uptime Kuma

    Uptime Kuma

    A fancy self-hosted monitoring tool

    Uptime Kuma is an easy-to-use self-hosted monitoring tool. It is a temporary live demo, all data will be deleted after 10 minutes. Use the one that is closer to you, but I suggest that you should install and try it out for the best demo experience. Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / Ping / DNS Record / Push / Steam Game Server / Docker Containers. Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and 90+ notification services, click here for the full list.
    Downloads: 10 This Week
    Last Update:
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  • Field Service+ for MS Dynamics 365 & Salesforce Icon
    Field Service+ for MS Dynamics 365 & Salesforce

    Empower your field service with mobility and reliability

    Resco’s mobile solution streamlines your field service operations with offline work, fast data sync, and powerful tools for frontline workers, all natively integrated into Dynamics 365 and Salesforce.
    Learn More
  • 5
    Graph NotebookAmazon GameLift Unity

    Graph NotebookAmazon GameLift Unity

    Access GameLift resources and integrate GameLift into your Unity game

    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. Auth Only, this scenario creates a game backend service that performs only player authentication and no game server capability. It creates a Cognito user pool to store player authentication information, as well as an API gateway REST endpoint backed up AWS Lambda handlers to start a game and view game connection information. The Lambda handler always returns a 501 Error (Unimplemented). Single-Region Fleet, this scenario creates a game backend service with a single GameLift fleet. After player authenticates and starts a game (with a POST request to /start_game), a AWS Lambda handler searches for an existing viable game session with an open player slot on the fleet.
    Downloads: 7 This Week
    Last Update:
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  • 6
    AzerothCore

    AzerothCore

    Complete Open Source and Modular solution for MMO

    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.
    Downloads: 6 This Week
    Last Update:
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  • 7
    Azuriom

    Azuriom

    Azuriom is a complete open-source web solution for game servers

    Azuriom is a complete open-source web solution for game servers. Enjoy dozens of extensions for endless possibilities. Already trusted by over 1,800 servers. Azuriom is a complete free and open-source web solution for game servers. Enjoy dozens of extensions for endless possibilities. Dozens of extensions can be installed directly from the admin dashboard. Monetize your server with our shop, build a community with our forums, or spruce up your site with one of our many gorgeous themes. Azuriom is an open-source project. You don’t have to worry about expensive shop fees or bad hosting. You host your site where you want and even customize it as needed. Azuriom is a complete open-source web solution for game servers. Enjoy dozens of extensions for endless possibilities. Already trusted by over 1,800 servers, cumulating with more than two million users.
    Downloads: 4 This Week
    Last Update:
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  • 8
    MangosZero

    MangosZero

    Mangos ZERO is a server for World of Warcraft

    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.
    Downloads: 3 This Week
    Last Update:
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  • 9
    Nakama

    Nakama

    Distributed server for social and realtime games and apps

    Distributed server for social and real-time games and apps. Users can connect with friends, and join groups. A built-in social graph to see how users can be connected. Extend the server with custom logic written in Lua, TypeScript/JavaScript, or native Go code. Build scalable games and apps with a production-ready server used by ambitious game studios and app developers all around the world.
    Downloads: 3 This Week
    Last Update:
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  • AestheticsPro Medical Spa Software Icon
    AestheticsPro Medical Spa Software

    Our new software release will dramatically improve your medspa business performance while enhancing the customer experience

    AestheticsPro is the most complete Aesthetics Software on the market today. HIPAA Cloud Compliant with electronic charting, integrated POS, targeted marketing and results driven reporting; AestheticsPro delivers the tools you need to manage your medical spa business. It is our mission To Provide an All-in-One Cutting Edge Software to the Aesthetics Industry.
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  • 10
    PufferPanel

    PufferPanel

    PufferPanel is an open source game server management panel

    The simplest, free, open source game management panel. PufferPanel is an open source game server management panel designed to be easy to use and easy to install. PufferPanel supports Minecraft, Forge, Spigot, Sponge, Source Dedicated Servers, BungeeCord, PocketMine, Forge, and much more. In addition to being a free and open source project, PufferPanel provides an easy-to-use interface for everyone from individual users to large networks or companies. We strive to create a friendly community, and we would love for you to join us.
    Downloads: 2 This Week
    Last Update:
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  • 11
    Alternative Lineage 2 Game Server written in Java.
    Downloads: 21 This Week
    Last Update:
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  • 12
    Agones

    Agones

    Dedicated Game Server Hosting and Scaling for Multiplayer Games

    Multiplayer dedicated game servers anywhere. An open source, batteries-included, multiplayer dedicated game server scaling and orchestration platform that can run anywhere Kubernetes can run. Define and manage groups of ready-game servers through YAML configuration or API calls. Integrated SDK for managing game server lifecycle, health and configuration. Integration with OpenCensus for platform-independent game server metrics and monitoring dashboards. Agones replaces usual bespoke or proprietary cluster management and game server scaling solutions with a Kubernetes cluster that includes the Agones custom Kubernetes Controller and matching Custom Resource Definitions for GameServers, Fleets and more. With Agones, Kubernetes gets native abilities to create, run, manage and scale dedicated game server processes within Kubernetes clusters using standard Kubernetes tooling and APIs. This model also allows any matchmaker to interact directly with Agones via the Kubernetes API.
    Downloads: 1 This Week
    Last Update:
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  • 13
    HOTSPOT

    HOTSPOT

    HOTSPOT for windows 10

    Windows is no longer away from hotspot. This software lets you turn your windows 10 PC into a hotspot. Create your middle-ware with apache, IIS or any server , test it by making your PC server. Create LAN servers to play high end LAN games. Share your internet between your clients and many more.
    Downloads: 7 This Week
    Last Update:
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  • 14
    The goal of the project is to create a Java multi-user game server that can be easily extended and used for adding a multiplayer feature to games. User authentication, chat and interfaces for adding custom capabilities will be provided out of the box.
    Downloads: 10 This Week
    Last Update:
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  • 15
    Lucifer

    Lucifer

    Lucifer: The Ultimate Dev-Ecosystem

    "Everything is integrated. Now, even I can't control it." 루시퍼(Lucifer)는 더 이상 단순한 런처가 아닙니다. 개발자가 필요로 하는 모든 하부 구조를 하나로 집대성한, 통제 불가능한 수준의 올인원 통합 제어 환경입니다. 🚀 핵심 특징 (Core Features) 시리얼 제어 (Advanced Serial Control): 하드웨어와의 접점을 완벽하게 장악합니다. 아두이노 및 각종 임베디드 장치와의 데이터 송수신을 가장 드라이하고 정밀하게 수행합니다. 서버 통합 (Terra Server Engine): MariaDB 연동형 고성능 자바 서버 '테라(Terra)'를 코어로 품어, 데이터 처리와 로직 실행의 중심축을 담당합니다. 톰캣 내장 (Embedded Tomcat): 별도의 WAS 설치 없이도 웹 환경을 즉각적으로 구동합니다. 루시퍼가 곧 웹 서버이자 플랫폼이 됩니다. 자바 내장 (Portable Java Environment): 환경 변수 설정이나 버전 갈등에서 완전히 자유롭습니다. 루시퍼 실행 파일 하나에 최적화된 자바 환경이 포함되어 어디서든 즉시 가동됩니다.
    Downloads: 8 This Week
    Last Update:
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  • 16
    webDiplomacy
    Diplomacy is a popular turn based strategy game in which you battle to control Europe; to win you must be diplomatic and strategic. webDiplomacy lets you play Diplomacy online. Official game server: http://webdiplomacy.net/
    Downloads: 2 This Week
    Last Update:
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  • 17
    A PHP 5 library for querying game servers. Currently supporting over 160 games, including source (half-life), unreal and quake engine games, ase & gamespy protocols. Newer games supported are Crysis & Call of Duty 5. Also supports Teamspeak 2.
    Downloads: 1 This Week
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  • 18
    Steam Desktop Authenticator

    Steam Desktop Authenticator

    A desktop implementation of Steam's mobile authenticator app.

    The Steam Desktop Authenticator is a powerful tool designed to enhance the security of your Steam account. With this program, you can enable two-factor authentication (2FA) for your Steam account, adding an extra layer of protection against unauthorized access. Once installed, the program generates time-based one-time passwords (TOTPs) for your Steam account, which you can use alongside your regular password when logging in. These TOTPs are generated locally on your computer, providing a secure and convenient way to verify your identity.
    Downloads: 2 This Week
    Last Update:
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  • 19
    A simple Java console application which connects to Call of Duty game server by RCON protocol.
    Downloads: 1 This Week
    Last Update:
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  • 20

    .Net FastDL Server

    A FastDL Server for Counter Strike in C#

    A very simple but effective FastDL Server for Counter Strike that allows your game server clients to download your server content from a HTTP service.
    Downloads: 1 This Week
    Last Update:
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  • 21
    ASA Server Manager
    ASAM is a Ark Ascended dedicated server manager. Able to install and manage large clusters with different settings seamlessly. Built to fix what other launchers were lacking in control and simplicity.
    Downloads: 1 This Week
    Last Update:
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  • 22
    Nuked-klan is a web portal system dedicated for online gamers community, it provides wars management, teamates management, game server monitoring and many other features. The community is actually active, so your ideas are welcome.
    Downloads: 1 This Week
    Last Update:
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  • 23
    A Launcher for the Open Wow server
    Downloads: 1 This Week
    Last Update:
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  • 24
    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.
    Downloads: 1 This Week
    Last Update:
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  • 25
    The internet WeiQi (Go) game server witten completely in Java. The goal of this project is to provide a full feature game server with an internet player ranking database for all the WeiQi fans.
    Downloads: 1 This Week
    Last Update:
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