Open-source alternatives to EzEngine

Axmol Engine – A Multi-platform Engine for Desktop, XBOX (UWP), WebAssembly and Mobile games. (a fork of Cocos2d-x-4.0)

Crown Engine

A high speed C++17 Vulkan game engine

Grit Game Engine

Hazel is a C++ game development framework and 3D graphics rendering engine designed for building high-performance interactive software. It provides a foundational architecture that enables the construction of desktop applications through native hardware acceleration. The project includes a dedicated game engine editor that allows for the design and testing of interactive 3D and 2D scenes within a unified environment. This editor utilizes an immediate mode interface to maintain synchronization with the engine state, while a hardware-agnostic abstraction layer handles rendering commands across

Halley is a modular C++ game engine designed for building cross-platform interactive applications. Its core identity is defined by a hardware-abstraction graphics pipeline for consistent rendering across different operating systems and an entity-component-system architecture that separates game state from processing logic. The framework features a hot-reloading development environment that allows updating application logic and assets at runtime without requiring a full process restart. It also includes a multiplayer networking framework based on an asynchronous messaging system to manage real

Godot is a comprehensive, node-based game engine designed for building interactive 2D and 3D applications. It provides an integrated development environment that utilizes a hierarchical scene system to organize objects, propagate spatial transformations, and manage lifecycle events. The engine functions as a cross-platform development suite, allowing developers to author, test, and export software to desktop, mobile, and web environments from a single, unified codebase. The engine distinguishes itself through a modular, component-based architecture that relies on signals-based decoupling for

GB Studio is a visual integrated development environment and game engine for creating 8-bit games for Game Boy hardware. It functions as a retro hardware ROM compiler that transpiles graphical logic into native Z80 assembly and binary images compatible with original handhelds and emulators. The project serves as a cross-platform build tool, generating both native hardware ROMs and web-compatible builds from a single project source. It utilizes a drag-and-drop interface for game logic and scene design, allowing for the creation of game mechanics and asset placement without writing low-level ma

MxEngine is an educational modern-C++ general-purpose 3D game engine. Right now MxEngine is developed only by me, #Momo, but any contributions are welcome and will be reviewed. Fow now MxEngine supports OpenGL as graphic API and targets x64 only. I develop the project in my free time, so updates…

Purely native C++ cross-platform GUI framework for Android and iOS development. https://www.boden.io

Apache ECharts is a JavaScript data visualization library used for rendering interactive charts and complex data visualizations in web browsers. It functions as a canvas-based charting engine and a statistical data visualization suite that transforms datasets into visual representations. The framework provides specialized capabilities for three-dimensional data visualization, including the generation of 3D plots and globe visualizations. It also serves as a web-based geographic mapping tool for overlaying heatmaps, routes, and data distributions onto interactive maps. The library covers a br

A lightweight JavaScript graphics library with the intuitive API, based on SVG/VML technology.

Amethyst is a data-driven game engine written in Rust for building high-performance 2D and 3D games. It is built on an entity component system architecture that decouples game state from logic to enable parallel processing and reusable code. The framework features a glTF 3D renderer for importing scenes and geometry using physically based materials. It also serves as a multiplayer game framework, providing network transport abstractions and state synchronization for real-time online experiences. The engine covers a broad range of capabilities, including hybrid 2D/3D rendering, asynchronous a

AGS editor and engine source code

Bevy is a cross-platform game engine and framework built in Rust, designed for creating interactive simulations and graphical applications. It utilizes a data-oriented entity-component-system architecture to manage game state, organizing data into contiguous memory blocks to facilitate high-performance processing and massive parallelization of entities. The engine distinguishes itself through a modular plugin architecture and a system-based task scheduler that automatically parallelizes logic by analyzing data access patterns. By employing reactive change detection and deferred command buffer

Infographic is a declarative SVG infographic engine and AI-powered generator that transforms structured specifications and natural language descriptions into complete visual layouts. At its core, it provides a data storytelling framework that combines AI-driven layout generation with multi-pattern composition, supporting linear, circular, radial, tree, and mirror arrangements for sequential, hierarchical, and comparative data structures. The project distinguishes itself through a canvas-based interactive editor with real-time element manipulation and state history management, alongside a serv

Peity is a lightweight SVG data visualization library that transforms numeric text content and HTML attributes into small pie, donut, bar, and line charts. It functions as an attribute-driven renderer and a progressive enhancement tool, adding vector graphics to web pages by reading data directly from the DOM without requiring heavy JavaScript frameworks. The library supports custom drawing functions and dynamic color assignments, allowing for the registration of new chart types and the use of custom functions to determine segment colors. Its capability surface covers the rendering of mini d

Esoterica Engine is an MIT licensed prototype game engine framework. It’s intended as a technology demonstrator, an educational tool and an R&D framework. It contains a lot of the boilerplate machinery required for resource management, serialization, gameplay, etc. It provides a lot of…

c3 is a charting library for creating reusable data visualizations and interactive charts based on the D3 JavaScript framework. It functions as a declarative visualization framework that generates complex charts through high-level configurations rather than manual SVG manipulation. The project provides a reusable chart component library and a tool for converting raw datasets into scalable vector graphics. These capabilities allow for the implementation of interactive data visualizations and web-based data reporting using standardized templates. The library supports the development of custom

Platshoot, a free/libre 2D side-scroller shooter game

Castle Game Engine

Chart.js is a declarative data visualization framework that renders interactive, responsive charts directly onto an HTML5 canvas element. It functions as a configuration-driven engine, transforming structured datasets into complex graphical representations by merging user-defined settings with global defaults. The library utilizes a high-performance rendering pipeline that executes drawing commands during each animation frame to maintain smooth visual feedback. The project distinguishes itself through a modular, extensible architecture that allows developers to register custom scales, control

Meteorite is a lowres metroidvania FPS, inspired by Metroid Prime, made for LOWREZJAM 2018.

Joint is a JavaScript library for building interactive visual diagrams and flowcharts using Scalable Vector Graphics. It provides a programmable environment for creating an interactive SVG canvas with integrated support for zooming, panning, and touch gesture controls. The framework includes a component system for defining custom shapes and programmatic elements within a vector-based coordinate system. It features a JSON-based diagram serializer for saving and loading diagram states, as well as automated layout algorithms and relationship mapping to render nodes and edges. The library covers

Cocos2d for Web Browsers. Built using JavaScript.

G6 is a graph visualization engine designed for the analysis and representation of relational data. It provides a framework for rendering complex network structures, allowing users to map data points and their connections into interactive visual formats. The library offers a comprehensive set of tools for graph layout, interaction, and animation. It supports the customization of visual elements and node behaviors, enabling the construction of tailored graph applications that handle large-scale datasets and dynamic network updates. The project is implemented in TypeScript and provides extensi