862 projects for "multiplayer" with 1 filter applied:

  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
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    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
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  • 1
    Mirror

    Mirror

    #1 Open Source Unity Networking Library

    Mirror is a high-level open-source networking library for Unity multiplayer games. It was originally based on UNET and has evolved into a stable, modular framework used by many production Unity projects. The library is designed to make multiplayer development easier by handling common networking patterns such as network identities, synchronization, remote procedure calls, authority, spawning, and transport integration.
    Downloads: 32 This Week
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  • 2
    LeviLamina

    LeviLamina

    A lightweight, modular and versatile mod loader for Minecraft Bedrock

    ...By enabling modular extensions, the platform helps server operators tailor gameplay experiences and build complex multiplayer environments.
    Downloads: 8 This Week
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  • 3
    S&box

    S&box

    s&box is a modern game engine, built on Valve's Source 2

    ...Built on a cutting-edge game engine, s&box allows creators to prototype, build, and share interactive game modes, tools, and environments using C#, JavaScript, and visual scripting, promoting accessible content creation for developers of varying skill levels. The platform emphasizes multiplayer and community experiences, giving creators direct control over networking, physics, rendering, and audio without needing to build those systems from scratch. With real-time recompilation and fast iteration loops, developers can see changes instantly, speeding up the creative process dramatically compared to traditional engines. ...
    Downloads: 43 This Week
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  • 4
    OpenRA

    OpenRA

    Real Time Strategy game engine supporting early Westwood classics

    ...This means that OpenRA is not restricted by the technical limitations of the original closed-source games: it includes native support for modern operating systems and screen resolutions (including Windows 10, Mac OS X, and most Linux distros) without relying on emulation or binary hacks, and features integrated online multiplayer.
    Downloads: 49 This Week
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • 5
    YimMenu

    YimMenu

    YimMenu, a GTA V menu protecting against a wide ranges

    ...It operates as an injected module that interacts directly with the game engine, allowing users to access a wide range of in-game controls and customization options through an overlay interface. One of its primary goals is stability, offering safeguards against malicious or unstable interactions that can occur in multiplayer environments. The project is written primarily in C++ and follows a modular structure, enabling contributors to extend or refine its functionality over time. It includes both quality-of-life improvements and advanced features that modify gameplay behavior, making it popular among users seeking more control over their in-game experience.
    Downloads: 195 This Week
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  • 6
    QM

    QM

    Multiplayer agent harness for work

    QM is an open-source multiplayer agent harness designed for startup teams and company-wide AI work. Each person, channel, and project receives its own scoped memory, files, credentials, permissions, schedules, web apps, and durable sandbox. The same agent identity and configuration can operate through Slack or the web interface. Teams can choose among supported models and harnesses, including Pi, OpenCode, Codex, and Claude Code, without binding the deployment to one vendor.
    Downloads: 4 This Week
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  • 7
    GrimAC

    GrimAC

    Fully async, multithreaded, predictive, open source, 3.01 reach

    ...The software is designed to operate asynchronously and with multithreaded processing, allowing servers to maintain high performance even when monitoring large numbers of players simultaneously. Grim supports a wide range of Minecraft versions and can integrate with server platforms used in competitive or large multiplayer environments.
    Downloads: 5 This Week
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  • 8
    OpenTTD

    OpenTTD

    Open source simulation game based on Transport Tycoon Deluxe

    ...OpenTTD is as close to the original as you can get, but has been extended with plenty of great features. These include bigger maps (up to 64 times bigger than the original), stable multiplayer mode that allows for up to 255 players in 15 companies, in-game downloading of heightmaps, AIs, scenarios, and so much more. With its many additions and improvements players are sure to have a greatly enhanced gaming experience. Try it for yourself!
    Downloads: 10 This Week
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  • 9
    Instant

    Instant

    Instant is a modern Firebase

    Instant is a modern, frontend-friendly backend / real-time database system, designed to provide reactive, multiplayer data handling with relational query syntax, offline caching, optimistic updates, and automatic rollback. It is intended to be a simpler alternative to Firebase, making front-end development more seamless by offloading backend concerns (permissions, synchronization, querying) to Instant. So we built Instant. Instant gives you a database you can use in the client, so you can focus on what’s important: building a great UX for your users, and doing it quickly.
    Downloads: 0 This Week
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  • Veeam Data Platform v13.1 Icon
    Veeam Data Platform v13.1

    Move workloads across hypervisors and clouds with no vendor lock-in. Try VDP free today.

    Try Veeam Data Platform today. Experience the unified platform that's secure by design, portable by default, and proven to recover clean, fast, and anywhere.
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  • 10
    Liveblocks

    Liveblocks

    Liveblocks gives you the building blocks and infrastructure

    Liveblocks is an open-source collaboration infrastructure and toolkit that enables developers to integrate real-time collaborative features into web and mobile applications with minimal effort. It provides building blocks like multiplayer cursors, comments, notifications, and AI-agent hooks that can be composed to support shared experiences such as collaborative editing, synchronized state, or embedded AI collaboration within apps. Rather than building real-time synchronization from scratch, developers can leverage Liveblocks’ SDKs and APIs to focus on their product’s unique logic while relying on robust back-end support for distributed state and event propagation. ...
    Downloads: 0 This Week
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  • 11

    fgms - multiplayer for flightgear

    A network server for the flightgear simulator

    A network server for the flightgear project. Link together multiple Pilots.
    Downloads: 0 This Week
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  • 12
    SteelMC

    SteelMC

    A Minecraft server in Rust focused on a strong foundation

    ...Gameplay updates remain synchronous, while chunk generation, lighting, packet processing, and chunk transmission can run outside the main server tick. Players can join persistent multiplayer worlds, move, interact with blocks, manage inventories, use commands, chat, and return to previously saved areas. Its networking layer supports Java Edition authentication, encryption, compression, and protocol communication. World generation is currently its most complete system and is tested against reproducible vanilla chunks for block-level parity. ...
    Downloads: 12 This Week
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  • 13
    Librelancer

    Librelancer

    A re-implementation of Freelancer

    Librelancer is an open-source reimplementation of the engine behind Freelancer, the iconic 2003 space trading and combat simulation game by Microsoft. Written in C# and powered by OpenGL and modern game development practices, Librelancer faithfully replicates the original gameplay while providing a flexible codebase for modding, analysis, and future enhancements. It supports original assets and is designed to be both a preservation project and a foundation for new space simulation games...
    Downloads: 4 This Week
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  • 14
    Factorio

    Factorio

    Factorio headless server in a Docker container

    ...Factorio is a factory-building simulation game in which players automate production lines, research technologies, and manage complex industrial systems, and the repository focuses specifically on hosting the game server in a containerized environment. By packaging the server into a Docker image, the project simplifies the process of deploying and maintaining multiplayer servers across different operating systems and cloud environments. The container automatically handles dependencies, configuration, and updates, making it easier for system administrators and hobbyists to run dedicated Factorio servers. Users can configure server settings, maps, mods, and saved games through mounted volumes and environment variables within the container.
    Downloads: 6 This Week
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  • 15
    Better Stack JavaScript client

    Better Stack JavaScript client

    Better Stack JavaScript client

    ...Search all your logs anytime. See what metrics your teammates are looking at, comment on note-worthy data spikes and share log fragments with one click. Building a great software is a multiplayer game. Get answers fast with a powerful SQL query builder. No need to learn a new querying language or ask your data analyst.
    Downloads: 8 This Week
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  • 16
    Merlin HTTP/2

    Merlin HTTP/2

    Merlin is a cross-platform post-exploitation HTTP/2 Command

    ...The command-line interface only works great if it will be used by a single operator at a time. The Merlin agent can be controlled through Mythic, which features a web-based user interface that enables multiplayer support, and a slew of other features inherent to the project.
    Downloads: 8 This Week
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  • 17
    libdatachannel

    libdatachannel

    C/C++ WebRTC network library featuring Data Channels, Media Transport

    libdatachannel is a C++ library that implements WebRTC DataChannels and ICE transports, enabling peer-to-peer communication without relying on media components. It is ideal for developers who want efficient, low-latency P2P communication for data transmission in IoT, multiplayer games, decentralized apps, or custom signaling architectures. Built for performance and minimalism, it allows fine-grained control over STUN, TURN, DTLS, and SCTP layers, with a clean and modern C++ interface.
    Downloads: 0 This Week
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  • 18
    Melody

    Melody

    Minimalist websocket framework for Go

    ...It is designed to make real-time server features easier to build without requiring a large framework or complex setup. Developers can use it for chat systems, live notifications, dashboards, multiplayer coordination, collaborative tools, and other bidirectional communication features. Melody provides connection lifecycle hooks, message handlers, broadcasting, session management, and grouped communication patterns. It is built to feel familiar to Go developers and can be integrated into existing HTTP applications. The project is especially useful when a team needs straightforward WebSocket behavior without building connection handling and broadcast logic from scratch.
    Downloads: 0 This Week
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  • 19
    python-socketio

    python-socketio

    Python Socket.IO server and client

    ...It supports key Socket.IO features like event handling, message broadcasting, binary data transmission, rooms, and namespaces, giving developers the building blocks to create chat applications, live dashboards, multiplayer games, and collaborative tools.
    Downloads: 0 This Week
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  • 20
    Kanwas

    Kanwas

    Shared context board for teams and agents

    ...The platform supports real-time collaboration, visible agent tool calls, and a timeline that makes AI activity easier to follow and audit. It is designed for long-running projects where maintaining context matters as much as producing a single response. Overall, Kanwas positions itself as a multiplayer thinking space for AI-assisted research, planning, and execution.
    Downloads: 0 This Week
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  • 21
    Crossfire RPG game

    Crossfire RPG game

    Cooperative multiplayer graphical RPG and adventure game

    Crossfire is a free and open-source cooperative multiplayer graphical RPG and adventure game. Set in a medieval fantasy world, it combines real-time action with traditional role-playing mechanics inspired by games such as Gauntlet, NetHack, Moria, and Angband. Players can choose from 14 races and 16 character classes, develop skills and magic, worship gods, complete quests, discover powerful artifacts, and explore thousands of interconnected maps filled with monsters, dungeons, cities, and adventures. ...
    Downloads: 74 This Week
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  • 22
    Odamex

    Odamex

    Odamex is a free, cross-platform, modern client-server Doom engine

    Odamex is a free, cross-platform (Mac, Windows, Linux) modification of the Doom engine that allows players to easily join servers dedicated to playing Doom online. The goal of Odamex is to add enhancements to Doom while still retaining that "classic Doom feel" we all know and love about the original game.
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    Downloads: 91 This Week
    Last Update:
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  • 23
    Battle for Wesnoth

    Battle for Wesnoth

    A strategy game with a high fantasy theme

    The Battle for Wesnoth is a Free, turn-based tactical strategy game with a high fantasy theme, featuring both single-player, and online/hotseat multiplayer combat. Fight a desperate battle to reclaim the throne of Wesnoth, or take hand in any number of other adventures.
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    Downloads: 4,640 This Week
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  • 24
    MegaMek
    MegaMek is a networked Java clone of BattleTech, a turn-based sci-fi boardgame for 2+ players. Fight using giant robots, tanks, and/or infantry on a hex-based map. Development currently occurs on GitHub (see https://github.com/MegaMek). This SF page remains as a mirror and archive of the old issue trackers. The trackers are currently locked and new issues should be created on the GitHub page.
    Downloads: 69 This Week
    Last Update:
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  • 25
    AssaultCube Reloaded

    AssaultCube Reloaded

    A fun realistic multiplayer free-and-open-source first-person-shooter!

    ACR is a fun realistic multiplayer free-and-open-source first-person-shooter! This project has moved to GitHub. A mirror of releases is here.
    Downloads: 26 This Week
    Last Update:
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