Showing 2998 open source projects for "development"

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  • 1
    Stride

    Stride

    Stride (formerly Xenko), a free and open-source cross-platform C# game

    ...Because it’s built on modern C# and .NET, developers can take advantage of modern language features (C# 14, .NET 10), tooling (Visual Studio, VS Code, Rider), and long-term maintainability. The engine supports cross-platform development: you can build for desktop, mobile, or VR, and target multiple operating systems. Stride is modular and customizable: you can tailor rendering, physics, scripting, and other subsystems to suit your game’s needs.
    Downloads: 8 This Week
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  • 2
    Jazz2

    Jazz2

    Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2

    ...By doing so, it opens the door for native builds, modding, bug fixing, and potential enhancements beyond the limitations of the original closed-source game. The project is valuable for preservation, educational insight into retro game development, and community-driven improvements.
    Downloads: 4 This Week
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  • 3
    ursina

    ursina

    A game engine powered by python and panda3d

    ursina is an easy-to-use, open source game engine and framework for Python that is built on top of Panda3D, aiming to make game development approachable while still being powerful enough for real projects. It lets you create both 2D and 3D games, applications, and visualizations by writing concise Python scripts instead of dealing with a lot of low-level boilerplate. The engine is centered around an Entity-based architecture, where everything in the scene is an object you can easily configure and manipulate from code. ...
    Downloads: 18 This Week
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  • 4
    HaxeFlixel

    HaxeFlixel

    Free, cross-platform 2D game engine powered by Haxe and OpenFL

    ...Because it uses Haxe and OpenFL, HaxeFlixel games can compile to many targets: native desktop (Windows, macOS, Linux), mobile (Android, iOS), as well as web (HTML5), and even historically Flash. It is licensed under MIT and completely free for personal or commercial use. HaxeFlixel emphasizes ease of use and rapid development for 2D games — ideal for pixel-art platformers, card games, puzzles, or 2D action games. It includes common utilities and abstractions for sprites, animations, input handling, game loops, asset management, and state transitions, making it easier to build a complete game without reinventing core infrastructure. Because of this, it has been used for successful indie games and prototypes alike, and remains a popular choice among developers.
    Downloads: 8 This Week
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  • 5
    Ct.js

    Ct.js

    Ct.js is a desktop game engine that makes learning programming fun

    ct.js makes learning programming fun and game development easy by its visual tools, good docs and flexible, modular library. It is free, open-source, and is loved by hobbyists, professionals, teachers, and their students. Bad tools hinder your performance. Ct.js is designed to be like a brush with which you create games, not to be an enemy you will fight with. ct.js bundles come with offline docs, tutorials, and editable examples and demos.
    Downloads: 1 This Week
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  • 6
    CTFd

    CTFd

    CTFs as you need them

    CTFd is a Capture The Flag framework focusing on ease of use and customizability. It comes with everything you need to run a CTF and it's easy to customize with plugins and themes. Create your own challenges, categories, hints, and flags from the Admin Interface. Dynamic Scoring Challenges. Unlockable challenge support. Challenge plugin architecture to create your own custom challenges. Static & Regex-based flags. Custom flag plugins. Unlockable hints. File uploads to the server or an Amazon...
    Downloads: 0 This Week
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  • 7
    DevilutionX

    DevilutionX

    Diablo build for modern operating systems

    ...We hope to provide a good starting point for mods, in addition to the full Devilution source code we also provide modding tools. If you want to help test the latest development stage of the next version (make sure to backup your files as these may contain bugs), you can fetch the test build artifact from one of the build server.
    Downloads: 15 This Week
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  • 8
    ThinkPHP

    ThinkPHP

    ThinkPHP Framework

    The operating environment requires PHP7.2+, compatible with PHP8.1. ThinkPHPV6.0 version is exclusively sponsored by Yisu Cloud. Use PHP7strong typing (strict mode). Support for more PSRspecifications. Native multi-app support. More powerful and easy-to-use queries. Brand new event system. Model events and database events are unified into the event system. Template engine separates out the core. Middleware for internal functions. SESSION/Cookie mechanism improvement. Improved support for...
    Downloads: 3 This Week
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  • 9
    Axmol Engine

    Axmol Engine

    Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games

    Axmol is a modern C++ game engine forked from Cocos2d-x, designed to support high-performance 2D and lightweight 3D game development across multiple platforms. It improves upon the original Cocos2d-x with a cleaner architecture, better tooling, and support for modern C++ standards. Axmol supports scripting with Lua and JavaScript, and is suitable for both indie developers and studios targeting mobile, desktop, and web platforms. With an active community and frequent updates, Axmol is a solid choice for cross-platform game development.
    Downloads: 4 This Week
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  • 10
    UniTask

    UniTask

    Provides efficient allocation free async/await integration for Unity

    Provides an efficient allocation free async/await integration for Unity. Struct-based UniTask<T> and custom AsyncMethodBuilder to achieve zero allocation. Makes all Unity AsyncOperations and Coroutines awaitable. PlayerLoop-based task(UniTask.Yield, UniTask.Delay, UniTask.DelayFrame, etc..) that enables replacing all coroutine operations. MonoBehaviour Message Events and uGUI Events as awaitable/async-enumerable. Runs completely on Unity's PlayerLoop so doesn't use threads and runs on WebGL,...
    Downloads: 3 This Week
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  • 11
    EnTT

    EnTT

    A fast and reliable entity component system (ECS) and much more

    ...Among others, it's used in Minecraft by Mojang, the ArcGIS Runtime SDKs by Esri and the amazing Ragdoll. The entity-component-system (also known as ECS) is an architectural pattern used mostly in game development. This project started off as a pure entity-component system. Over time the codebase has grown as more and more classes and functionalities were added. Statically generated integer identifiers for types (assigned either at compile-time or at runtime). A constexpr utility for human readable resource names. An incredibly fast entity-component system based on sparse sets, with its own pay for what you use policy to adjust performance and memory usage according to the users' requirements. ...
    Downloads: 1 This Week
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  • 12
    Pokedex

    Pokedex

    Pokedex demonstrates modern Android development with Hilt

    Pokedex demonstrates modern Android development with Hilt, Material Motion, Coroutines, Flow, Jetpack (Room, ViewModel) based on MVVM architecture.
    Downloads: 2 This Week
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  • 13
    Thunder Engine

    Thunder Engine

    Cross-platform 2D and 3D game engine with modular architecture

    ...It emphasizes a clean, component-based architecture and is designed for flexibility, performance, and scalability. Thunder includes built-in support for scripting, resource management, physics, animation, and rendering, with tools that facilitate efficient game development and deployment. Its cross-platform nature and minimal dependencies make it suitable for indie developers and small teams looking to build polished games with modern features.
    Downloads: 3 This Week
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  • 14
    GDevelop

    GDevelop

    The game engine for everyone

    GDevelop is an open-source, cross-platform game development software designed to make creating HTML5 and native games easy for everyone. Experts and novices alike can create their own games with GDevelop as it is fast and easy to learn, requiring no knowledge in a specific programming language. What makes GDevelop unique and so easy to use is its powerful and intuitive event-based system.
    Downloads: 14 This Week
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  • 15
    LinuxGSM

    LinuxGSM

    The command-line tool for quick, simple deployment and management

    LinuxGSM is the command-line tool for quick, simple deployment and management of Linux dedicated game servers. Traditionally game servers are not easy to manage yourself. Admins often have to spend hours messing around trying to get their server working. LinuxGSM is a command-line tool designed to be as simple as possible, allowing admins to spend less time on management and more time gaming. LinuxGSM will run on popular distros as long as the minimum requirements are met. Each game server...
    Downloads: 1 This Week
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  • 16
    Reldens - MMORPG Platform

    Reldens - MMORPG Platform

    You can make it - Open Source MMORPG Platform

    ...With a wide array of features, Reldens enables developers to craft a rich gaming experience without grappling with the complexities usually associated with making a multiplayer game secure and efficient over any network. Built with popular development tools such as NodeJS, Parcel, Colyseus, Phaser, and Firebase, integrated with various database engines, and following robust development practices, the platform ensures security, ease of use, and high customization for developers. While the current stage of the platform is tailored for developers, ongoing improvements to the administration panel aim to make game creation accessible to non-developers in the future.
    Downloads: 0 This Week
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  • 17
    Comedot

    Comedot

    Godot game template and component-based framework

    Comedot is a minimalist dot-based game engine built with Lua and LÖVE2D, designed for creating simple, highly stylized, and often weird or experimental games. It leverages a low-resolution aesthetic and embraces simplicity in both visuals and game mechanics, offering a unique canvas for hobbyist developers and game jam participants.
    Downloads: 0 This Week
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  • 18
    libctru

    libctru

    Homebrew development library for Nintendo 3DS/Horizon OS user mode

    Library for writing user mode ARM11 code for the 3DS (CTR) This library aims to provide the foundations necessary to write 3DS Homebrew, and straightforwardly access the different functionalities provided by the 3DS operating system. It is not meant to provide higher-level functions; to put things in perspective, the purpose of libctru would be to sit between the OS and a possible port of SDL rather than replace it. libctru is just a library and needs a toolchain to function. devkitARM...
    Downloads: 0 This Week
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  • 19
    TerraGov Marine Corps

    TerraGov Marine Corps

    TGMC: TerraGov Marine Corps, a SS13 mod

    ...TGMC offers a persistent, evolving experience where community contributions shape mechanics, balance, and lore. The codebase serves as both a live game server foundation and a development platform for contributors who want to expand gameplay features, design new mechanics, or refine existing systems. With its mixture of roleplay, tactical combat, and science fiction setting, TGMC provides a distinctive twist on the SS13 lineage.
    Downloads: 10 This Week
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  • 20
    ET

    ET

    Unity3D Client And C# Server Framework

    ET is a game development framework combining a Unity3D client and a C# server architecture, intended to streamline common game modules, facilitate distributed server setups, and support AI-assisted development workflows. It emphasizes modular component design, networking, and automated tooling (e.g. test case generation, code scaffolding) to lighten the burden of writing game logic and server infrastructure.
    Downloads: 0 This Week
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  • 21
    Rune

    Rune

    Build multiplayer web games played by millions

    Rune is a game development platform focused on creating real-time multiplayer games with minimal backend code. Designed for indie developers, it handles networking, matchmaking, and server management while integrating seamlessly with JavaScript-based game engines.
    Downloads: 3 This Week
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  • 22
    CMSS13

    CMSS13

    Contains the code for CM-SS13

    ...Developed and maintained by the cmss13 community, it emphasizes tactical combat, military roleplay, and survival against xenomorph threats. The repository includes the complete source code, sprites, maps, and configuration files needed to run servers or contribute to development. Compared to traditional SS13 forks, cmss13 introduces unique mechanics such as marine squads, advanced weaponry, and alien abilities, offering a combat-heavy multiplayer experience. The project thrives on active contributions from its community, ensuring continuous updates and balancing. It provides both a platform for immersive gameplay and an open development environment for fans of the SS13 ecosystem.
    Downloads: 2 This Week
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  • 23
    Trial

    Trial

    A modular Common Lisp game engine

    Trial is a real-time, 3D game engine written in Common Lisp, offering a modern and modular approach to game development using the expressive power of Lisp. Built on top of the cepl graphics framework, Trial combines live-coding capabilities with powerful abstractions for building simulations, scenes, and interactive applications. It emphasizes flexibility, clarity, and developer control, making it an appealing choice for experimental games, visualizations, and research projects that benefit from dynamic development environments and rapid prototyping.
    Downloads: 0 This Week
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  • 24
    OpenRW

    OpenRW

    Recreation of the classic Grand Theft Auto III game executable

    OpenRW is a cross-platform, open-source re-implementation of the game engine behind Grand Theft Auto III (GTA III). Its goal is to recreate the original gameplay engine in a modern, maintainable codebase so that GTA III can run natively on modern Windows, Linux, macOS, and BSD systems — long after the original executable becomes unworkable. The project does not ship with game content: users still need a legitimate copy of GTA III (with its original assets) to play, making OpenRW strictly an...
    Downloads: 11 This Week
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  • 25
    Bevy

    Bevy

    A refreshingly simple data-driven game engine built in Rust

    ...Components are Rust structs, Systems are Rust functions. Queries, Global Resources, Local Resources, Change Detection, Lock-Free Parallel Scheduler. Bevy is still in the very early stages of development. APIs can and will change (now is the time to make suggestions!). Important features are missing. Documentation is sparse. Please don't build any serious projects in Bevy unless you are prepared to be broken by API changes constantly. Bevy relies heavily on improvements in the Rust language and compiler. As a result, the Minimum Supported Rust Version (MSRV) is "the latest stable release" of Rust. ...
    Downloads: 7 This Week
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