Semantic Sound Effects and Audio Feedback for Web Apps – uisfx
Create UI sound effects through Web Audio, with reusable cue names, configurable playback, and packaged MP3/Ogg assets.
Javascript
Accessible Color Picker – Coloris.js
A vanilla JavaScript library for creating responsive, mobile-friendly, and fully accessible color pickers.
Lightweight Vanilla JS Library for Interactive Guided Tours – Boarding.js
Highlight DOM elements and build step-by-step onboarding flows with Boarding.js. This lightweight tour library handles complex layouts and z-index issues.
Sortable, Editable, Filterable Data Grid Web Component – data-grid.js
Create interactive data tables with a data grid Web Component that supports server data, filters, sorting, editing, and custom themes.
Simple Markdown Editor with Real-Time Preview and Customizable Toolbar
Transform textareas into powerful Markdown editors. Features include real-time preview, syntax highlighting, and customizable toolbars.
Video/Iframe/Gallery/Inline Content Lightbox Library – Tobii
Tobii is a feature-rich, responsive, accessible, mobile-friendly lightbox library that makes it possible to display any content type in a modal popup.
snapDOM: Fast & Accurate DOM to Image Capture Library
A fast JavaScript library for capturing rendered DOM elements as SVG, PNG, JPG, WebP, Canvas, or Blob. It includes reusable captures, automatic web font embedding, Shadow DOM handling, plugins, and a complete capture and export API.
Animated WebGL Gradients & Effects – instantshader
Create animated WebGL gradient backgrounds with customizable color palettes, shader motion, and layered image effects.
7,600+ Brand SVG Icons for Developers – theSVG
An open-source SVG library for brand logos, cloud architecture symbols, and interface icons.
penciled: Persistent Text Highlights and Notes in JavaScript
A JavaScript library for text highlighting and notes, with persistent annotations, CSS themes, keyboard controls, and a React adapter.
