JavaScript Page & Image Watermarks – watermark-js-plus
Use watermark-js-plus to watermark HTML containers, create custom grids, and update or remove marks at runtime with vanilla JavaScript.
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Fast DOM-Free Text Height Measurement – Pretext
A JavaScript text layout library for measuring multiline text height and line breaks before render with cached metrics and browser-like wrapping.
Emoji Picker With Autocomplete In JavaScript
A simple, convenient emoji picker written in pure JavaScript (ES6) that enables you to select emoji images from an autocomplete dropdown panel while typing emoji keywords.
Font-Based Handwriting Text Animation for the Web – Tegaki
Add smooth handwriting animation to hero sections, signatures, or chat interfaces with Tegaki’s font-based stroke rendering engine.
Lightweight CSS Reset & Normalizer – reseter.css
Reset default styles for HTML elements with a compact CSS stylesheet. Includes Full and Mini builds with logical properties and @layer reset.
Extract Clean Web Content with Defuddle.js
Use Defuddle library to parse articles, standardize HTML (code, math, footnotes), and extract schema.org data in Node.js or browser.
Smooth Drag To Scroll Library – Scrollbooster
A dependency-free JavaScript drag-to-scroll library with inertia, edge bounce, scroll snapping, and configurable mouse, touch, wheel, and keyboard input.
Responsive Lightbox Gallery With Pure JavaScript And CSS3 – lightGallery v3
lightGallery.js is a JavaScript lightbox gallery library which enables you to present various types of medias in a fullscreen, CSS3 animated gallery popup.
Intuitive Charting Library for Financial Data – DXCharts Lite
With just a few lines of code, you can generate line, bar, candlestick, and other common financial charts.
JavaScript Sun/Moon Position & Phase Calculator – SunCalc
A tiny JavaScript library that calculates sun position, sunrise/sunset times, moon illumination, and moonrise/moonset for any location and time.