Performance-First Scroll Animations – Animate When Visible
A 2KB JavaScript library using IntersectionObserver for performant scroll animations. Add CSS classes when elements enter viewport.
Javascript
Lightweight Image Gallery With Lightbox Popup – havLightbox
A lightweight galley lightbox JavaScript plugin that allows you to create image galleries with a lightbox overlay.
3D Interactive Sphere Photo Gallery with JavaScript and CSS
Create immersive 3D photo galleries that map images onto sphere surfaces. Includes touch controls, momentum scrolling, and image lightbox.
Format Numbers with Metric Prefixes in JavaScript – UnitFormat.js
Convert numbers to readable metric units with UnitFormat.js. Supports base 10/2 formatting, custom prefixes, and engineering notation.
Neat Block Grid In Pure CSS – wall.css
Yet another pure CSS implementation of the responsive, customizable block/wall grid layout system.
Distribution Visualization JavaScript Library – Alphaswarm Charts
A JavaScript library for creating distribution plots that show individual data points with statistical overlays.
Customizable Multi-file Uploader – SlashUploader
SlashUploader is a simple, flexible, cross-browser, highly customizable file uploader written in pure JavaScript.
Create SVG Syntax Diagrams with JavaScript and d3.js – Railroad Diagram
A JavaScript library for creating professional railroad syntax diagrams with clean SVG output. Perfect for language documentation and grammar visualization.
Build Custom Keyboard Shortcuts with Keyboard-ShortcutX
A lightweight, dependency-free library for adding keyboard shortcuts to JavaScript apps. ESM-first design.
Smooth, Infinite, Horizontal Scroller with Progress Tracking
Create a smooth, infinite horizontal scroller with progress tracking using pure vanilla JavaScript. Supports touch, wheel, and momentum.