Front End interview preparation materials for busy engineers (updated for 2025)

✅ The Node.js best practices list (July 2024)

Versatile Commodore Emulator for JavaScript

Javascript BBC micro emulator

ElkJS - Javascript based Acorn Electron Emulator

RBush — a high-performance JavaScript R-tree-based 2D spatial index for points and rectangles

Code from the article "Drawing Good-looking Trees" in Python Magazine

A collective list of free APIs

Simplified JavaScript Jargon

A JavaScript library for programming graphic design systems with SVG

play sound files from node.js to your speakers, simple as cake and kid approved!

Flocking - Creative audio synthesis for the Web

The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas. Created by @lehni & @puckey

Bezier curve helper functions for JavaScript. Used by jsPlumb; perhaps useful for others.

A parser for SVG's path syntax

Fast, small color manipulation and conversion for JavaScript

Retained mode vector drawing API designed for multiple output modes. There's also a built-in SVG parser.

Custom Event/Messaging system for JavaScript inspired by AS3-Signals

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

OpenGL capture / playback debugger.

Authoring Tools Framework (ATF) is a set of C#/.NET components for making tools on Windows. ATF has been in continuous development in Sony Computer Entertainment's (SCE) Worldwide Studios central t…

An image effects library for JavaScript using WebGL