Open-source alternatives to Cocos2d HTML5

Ren'Py is a cross-platform game engine and interactive storytelling tool built around a Python-based scripting engine. It is designed for creating visual novels and branching narrative games, where player choices determine story paths and character interactions. The engine provides a complete development framework for building narrative-driven experiences, from simple dialogue trees to complex life simulation games. The engine distinguishes itself through a comprehensive set of integrated systems that handle the full lifecycle of interactive storytelling. Its script-based story engine compile

Kiwi.js is a blazingly fast mobile & desktop browser based HTML5 game framework. It uses CocoonJS for publishing to the AppStore.

JavaScript Game Engine

Gameplay is a high-performance C++ game engine and cross-platform framework designed for developing 2D and 3D interactive games. It functions as both a 3D graphics engine for rendering environments and a 2D game development kit for creating sprite-based mechanics. The framework provides a cross-platform abstraction layer to ensure that game logic and graphics run across various hardware and software platforms using a shared codebase. The engine implements a hardware-accelerated rendering pipeline and component-based game logic to separate data from behavior. It utilizes a native C++ impleme

melonJS is a lightweight HTML5 game engine for building 2D games in the browser using JavaScript. It provides a complete framework for sprite animation, tilemap loading, physics simulation, input handling, and audio playback, with a unified rendering system that automatically switches between WebGL and Canvas2D backends without code changes. The engine distinguishes itself through several integrated capabilities. It features a per-sprite shader pipeline for custom fragment shader effects, a SAT-based collision engine with swappable physics adapters (including built-in SAT, Matter.js, and Plan

PhysicsJS is a JavaScript physics engine and 2D rigid body simulator designed to calculate the collisions, constraints, and dynamics of physical bodies. It functions as a modular physics library for simulating the movement and interaction of circular bodies and convex polygons. The engine implements constraint-based dynamics to enforce distance and angle constraints between objects, enabling the creation of articulated structures and linked physics. It utilizes impulse-based resolution to handle collisions and prevent objects from passing through one another. The library provides capabilitie

Babylon.js is a JavaScript game engine and real-time graphics renderer designed for creating interactive three-dimensional visuals and applications. It functions as a web-based 3D framework and WebGL engine that enables the deployment of high-performance 3D content across various web platforms and devices. The project provides tools for web-based 3D game development, real-time graphics rendering, and the creation of browser-based interactive visualizations. It also supports the development of WebXR virtual and augmented reality experiences using standard web technologies. The framework cover

MIT Licensed Open Source version of Torque 3D from GarageGames

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

Akihabara framework

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

:dango: An interactive and responsive charting library based on G2.

G2 is a declarative data visualization engine that constructs complex charts and graphical representations by mapping raw data to visual elements through a systematic grammar of graphics. It functions as a modular framework for building custom analytical visualizations, allowing users to define visual encodings and coordinate systems independently of the underlying data. The library distinguishes itself through a multi-backend rendering pipeline that supports Canvas, SVG, and WebGL, ensuring consistent graphical performance across different environments. Its architecture relies on a plugin-ba

Bomberman clone using Godot Engine - Not actively developed since 2015.

a 2D Game Development Framework

Amazon Lumberyard is no longer offered. This archive provides source for convenience only; you can also view the For continued support, visit our documentation archive on GitHub or contact Lumberyard customer support . We recommend Open 3D Engine, Lumberyard’s Apache-licensed successor. O3DE is…

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

High-performance Vulkan driver with automated resource management and execution

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

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

A reinvented Labyrinth game

The Atomic Game Engine is a multi-platform 2D and 3D engine with a consistent API in C++, C#, JavaScript, and TypeScript

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

HTML5 entity-component game engine

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

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

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