Godot Engine – Multi-platform 2D and 3D game engine

The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

A refreshingly simple data-driven game engine built in Rust

Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

Babylon.js is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript framework.

Desktop/Android/HTML5/iOS Java game development framework

Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF

Simple and Fast Multimedia Library

LÖVE is an awesome 2D game framework for Lua.

Redot Engine – Multi-platform 2D and 3D game engine

Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU

2D skeletal animation runtimes for Spine.

Heaps : Haxe Game Framework

Phaser CE is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

Collection of community-authored custom display filters for PixiJS

JavaScript bindings for Dear ImGui using Emscripten and TypeScript

The 3D renderer for PixiJS. Seamless integration with 2D applications.

A plugin that includes a sprite renderer that reduces border artifacts and 3 blend mode implementations for WebGL

Ultra-fast and fail-proof removal of big directory trees synchronously (a lot faster than async) in Node.js.