Showing 122 open source projects for "express engine tools"

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  • 1
    Hypackel Engine

    Hypackel Engine

    JavaScript-based game engine designed to empower developers

    Hypackel Engine is a JavaScript-based 2D game engine designed to provide beginner-friendly tools for creating simple games such as platformers, RPGs, and top-down shooters. It focuses on accessibility by offering a lightweight and easy-to-integrate script that developers can import directly into web-based projects. The engine includes built-in systems for handling physics, collisions, rendering, and animation, allowing developers to focus more on gameplay logic rather than low-level implementation details. ...
    Downloads: 34 This Week
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  • 2
    Crown Engine

    Crown Engine

    The flexible game engine

    ...Evaluate modifications and adjustments on-the-fly without having to reboot the game every time. Runs and looks equally well both on Linux and on Windows. Designed to be as fail-safe as possible to never lose your work if crashes should occur. Engine plus tools amounts to less than 50K LOC. Written in simple 'C-style' C++. It is easy for anyone to understand and make modifications. All the code is released under the very permissive MIT license and can be downloaded via GitHub by anyone.
    Downloads: 5 This Week
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  • 3
    Spartan Engine

    Spartan Engine

    A game engine with an emphasis on real-time cutting-edge solutions

    SpartanEngine is a C++ game engine focused on cutting-edge real-time rendering and simulation, developed primarily as a long-running personal research project and now grown into a community-driven platform. It centers around a modern Vulkan renderer (with an in-progress DirectX 12 backend) and a fully bindless, unified deferred rendering pipeline designed to handle hundreds of millions of instances. The engine implements a wide range of advanced graphics features, such as atmospheric...
    Downloads: 4 This Week
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  • 4
    Thunder Engine

    Thunder Engine

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

    Thunder is a lightweight, modular game engine written in C++ that provides a robust foundation for creating 2D and 3D games across platforms. 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.
    Downloads: 1 This Week
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  • 5
    Mirror Engine

    Mirror Engine

    V1, Mirror Classic. V2, Mirror Engine: Join Discord for access

    Mirror Engine is an experimental game engine and development platform designed as an alternative environment for building multiplayer virtual worlds similar to platforms such as Roblox or Unreal Editor for Fortnite. The project is built on top of the Godot engine and attempts to combine both the game client and development editor into a single integrated environment. The goal of the platform is to allow developers and creators to collaboratively build interactive worlds in real time without...
    Downloads: 1 This Week
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  • 6
    Open 3D Engine (O3DE)

    Open 3D Engine (O3DE)

    Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D

    Easier team collaboration, artist workflows & multiplayer setup, increased terrain performance, new rendering features. Developed with cutting-edge, real-time graphics and complex interactions in mind, O3DE allows you to create robust, engaging experiences using our multi-threaded and extensible photorealistic renderer. O3DE's modular architecture is built for customization from day one. Each component, known as a Gem, can be adopted separately, giving you access to the specific...
    Downloads: 6 This Week
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  • 7
    Descent 3

    Descent 3

    Descent 3 by Outrage Entertainment

    The Descent3 repository is the open source release of the Descent 3 game engine by Outrage Entertainment, maintained by the community under the GPL-3.0 license. It provides the full C and C++ engine source code, including the historically significant “1.5” patch that was previously created by developers and later stabilized by fans. The codebase covers the game’s rendering, physics, audio, networking, tools, and editor components, allowing enthusiasts to build, run, and modify the classic 6-degrees-of-freedom space shooter on modern systems. ...
    Downloads: 4 This Week
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  • 8
    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: 17 This Week
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  • 9
    Defold

    Defold

    Free game engine for development of desktop, mobile, and web games

    Defold is an open-source, cross-platform game engine originally developed for 2D games but also capable of 3D — intended to give developers a turnkey solution for building games for desktop, mobile, web, and even consoles. It ships as a full editor/IDE, combining scene editing, asset management, scripting, and build/export pipelines, so developers don’t need to assemble disparate tools themselves.
    Downloads: 12 This Week
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  • 10
    S&box

    S&box

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

    S&box is the open-source codebase for s&box, a next-generation sandbox game development platform from the creators of Garry’s Mod that blends modding freedom with modern tooling and performance. 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. ...
    Downloads: 62 This Week
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  • 11
    OpenRW

    OpenRW

    Recreation of the classic Grand Theft Auto III game executable

    ...By re-writing the engine from scratch under a permissive, community-friendly license (GPLv3), OpenRW ensures long-term preservation, mod-friendliness, and better hardware compatibility (modern GPUs, controllers, cross-platform input, etc.). For developers, it also offers tools such as a “script tracer” to inspect in-game scripts opcode by opcode, a data-file viewer (RWViewer) for studying object data, models, and map files.
    Downloads: 2 This Week
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  • 12
    melonJS

    melonJS

    A fresh & lightweight javascript game engine

    melonJS is an open-source HTML5 game engine that empowers developers and designers to focus on content. The framework provides a collection of composable entities and support for a number of third-party tools. Giving you a powerful combination that can be used wholesale or piecemeal. melonJS is a lightweight yet powerful HTML5 framework designed from the ground up to provide a true plugin-free 'write-once, run-everywhere' gaming platform. melonJS is an open-source project and supported by a community of enthusiasts. ...
    Downloads: 3 This Week
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  • 13
    Goonstation

    Goonstation

    Repository for the Goonstation branch of SS13

    Goonstation is a community-maintained branch of the classic Space Station 13 (SS13) game, built on the BYOND / DMM / DM engine and custom code, with extensive maps, gameplay mechanics, user interfaces, and game modes. The repository houses the full game code, assets (maps, sound, icons, interface), configuration, and tools for running and contributing to a Goonstation server. It aims to offer a stable, feature-rich, roleplay/game environment with many custom systems (e.g., unique mechanics, items, server rules) layered atop the SS13 engine.
    Downloads: 2 This Week
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  • 14
    LittleJS

    LittleJS

    The Tiny JavaScript Game Engine That Can!

    LittleJS is a super lightweight 2D JavaScript game engine with fast WebGL rendering. It is designed to be small, simple, and easy to use for various applications, from game jams to commercial releases. This engine has everything necessary to make high-quality games, including fast rendering, physics, particles, sound effects, music, keyboard/mouse/gamepad input handling, update/render loop, and debug tools.
    Downloads: 2 This Week
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  • 15
    MinecraftDeveloperGuide

    MinecraftDeveloperGuide

    Minecraft developer Chinese guide

    MinecraftDeveloperGuide is an open-source documentation project designed to help developers learn how to create modifications, tools, and extensions for Minecraft. The guide functions as a comprehensive knowledge base that explains many aspects of Minecraft development, including modding frameworks, programming concepts, and the internal mechanics of the game’s software architecture. It serves as a structured learning resource for developers who want to understand how to create mods, plugins, and custom tools that interact with the Minecraft engine.
    Downloads: 0 This Week
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  • 16
    Isometric City

    Isometric City

    IsoCity: City building simulation game

    ...Users can pan and zoom smoothly across the scene, dynamically placing or editing objects, and the engine supports layered terrain, collision detection, and grid snapping to keep placements accurate and visually coherent. Although often used for game prototypes, the project’s flexible architecture also fits use cases like simulation dashboards, planning tools, or interactive data visualizations where spatial layout matters.
    Downloads: 0 This Week
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  • 17
    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. The code editor highlights errors and provides...
    Downloads: 5 This Week
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  • 18
    Taisei Project

    Taisei Project

    A free and open-source Touhou Project fangame

    Taisei is a free, open-source clone of the Touhou Project bullet hell shoot-'em-up games, written entirely from scratch. It aims to be a faithful recreation of the classic Touhou gameplay experience, complete with original assets that capture the aesthetics and charm of the original series. Built using portable and modern tools, it runs across platforms including Linux, Windows, macOS, and even web browsers via WebGL. The game is designed with accessibility and modding in mind, making it an...
    Downloads: 3 This Week
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  • 19
    Clay

    Clay

    High performance UI layout library in C

    Clay (short for “C Layout”) is a high-performance 2D UI layout library in C, offering a declarative, Flexbox-like layout model with microsecond performance. It features a single-header design, zero dependencies, and support for WebAssembly, making it lightweight yet powerful for responsive UI rendering. The Clay macro by default accepts an ID as its first argument, which is usually provided by the CLAY_ID() convenience macro. Elements can also be created with auto-generated IDs, by using the...
    Downloads: 2 This Week
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  • 20
    OpenTK

    OpenTK

    The Open Toolkit library is a fast, low-level C# wrapper for OpenGL

    ...It runs on all major platforms and powers hundreds of apps, games, and scientific research programs. OpenTK provides several utility libraries, including a math/linear algebra package, a windowing system, and input handling. OpenTK is not a game engine, nor does it try to be one: It offers a useful set of tools and lets you decide how to use them. It is the ideal starting point if you want to write a game or scientific application from the ground up. The OpenGL specification specifies exactly what the result/output of each function should be and how it should perform. It is then up to the developers implementing this specification to come up with a solution of how this function should operate. ...
    Downloads: 2 This Week
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  • 21
    ViZDoom

    ViZDoom

    Doom-based AI research platform for reinforcement learning

    ...It is primarily intended for research in machine visual learning, and deep reinforcement learning, in particular. ViZDoom is based on ZDOOM, the most popular modern source-port of DOOM. This means compatibility with a huge range of tools and resources that can be used to create custom scenarios, availability of detailed documentation of the engine and tools and support of Doom community. Async and sync single-player and multi-player modes. Fast (up to 7000 fps in sync mode, single-threaded). Lightweight (few MBs). Customizable resolution and rendering parameters. ...
    Downloads: 0 This Week
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  • 22
    MAP Game Engine

    MAP Game Engine

    Game engine to build text adventures.

    MAP is a software that allows to create and play text adventures. Text adventure or "interactive fiction" is software simulating environments in which players use text commands to control characters and influence the environment. They were among the first computer games. MAP includes tools to create the adventure and a runner that allows to play it. Source is available and open so both the runner and tools can be modified to fit the needs or style for each adventure/creator.
    Downloads: 0 This Week
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  • 23

    Europa Universalis Game Tools

    Europa Universalis 4 save game editor

    Java library and application to edit game files from all Clausewitz-engine games (EU3 and later, including EU4, Victoria 2, Hearts of Iron 3, EU: Rome, March of the Eagles, and Crusader Kings 2 and 3) and their saved games. Source code is now hosted at https://github.com/mmyers/eug. Sponsor on Patreon: https://www.patreon.com/user?u=60455822
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    Downloads: 30 This Week
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  • 24
    raylib-go

    raylib-go

    Go bindings for raylib, a simple and easy-to-use library

    raylib-go is a Go (Golang) binding/wrapper around raylib, the light-weight C library for video game and multimedia programming. It allows Go developers to build 2D (and some simple 3D) games, graphical applications, or multimedia tools using a familiar and simple API, while leveraging Go’s language ergonomics, concurrency model, and ecosystem. With raylib-go, developers can draw graphics, handle input, play sound, manage textures, and manage game loops directly in Go — without needing to write or interface with C manually. This makes it a good choice for those who prefer Go over C/C++, but still want a simple, straightforward engine for fast prototyping or small-to-medium games. ...
    Downloads: 0 This Week
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  • 25
    IsoRealms Spindizzy and Isorealms Engine

    IsoRealms Spindizzy and Isorealms Engine

    An isometric arcade-style game of skill, puzzles and exploration

    ...Spindizzy is a remake of the 1986 classic computer game of the same name, originally developed by Paul Shirley. The remake features true 3D OpenGL graphics and runs on a custom-built engine called Isorealms. The Isorealms engine features a complete content creation toolkit for modifying and extending Spindizzy, as well as offering the opportunity to create entirely new projects from scratch. Isorealms content creation tools are aimed at users of all experiences, from those who simply want to build new worlds to those who want to take advantage of advanced features such as Lua scripting and custom asset importation.
    Downloads: 7 This Week
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