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.
liquid-glass.js: iOS Liquid Glass Web Component with SVG & WebGL
Create draggable Liquid Glass UI with SVG displacement, WebGL rendering, auto sizing, tint controls, and custom surface profiles.
mouse-follower: Animated Cursor Effects with Vanilla JS & GSAP.js
Add an animated mouse follower with GSAP, custom cursor states, image and video previews, text, icons, and skew effects.
Interactive Text Annotation and Highlighting with Recogito Text Annotator
Turn static page content into an annotation workspace. Recogito Text Annotator handles selection, highlights, undo, and custom data models.
Preload Specified Assets Using XHR2 – preload-it
The preload-it library preloads & prefetches assets (e.g. videos, audios, etc) using XMLHttpRequest to optimize the loading speed of your webpage.
Luckysheet: Full-feature Online Spreadsheet In Vanilla JavaScript
An open-source, dependency-free JavaScript library to create a full-featured, Google Sheets-like online spreadsheet app.
Apertura: Button-to-Dialog Morphing Modal Library in Vanilla JavaScript
Turns trigger buttons into spring-animated modal dialogs with confirm, prompt, alert, custom content, and CSS theming.
Collapsible JSON Viewer with Syntax highlighting and Line numbers – TreeJSON
A zero-dependency JavaScript library that renders JSON data into an interactive, collapsible tree with syntax highlighting.
Create Modern Glassmorphism Interfaces with Liquid Glass CSS Framework
A lightweight CSS/JS library that adds Apple-inspired Liquid Glass effects to any element. Zero dependencies. Full customization via utility classes.
Lightweight JS Library For Creating Interactive Particles – tsparticles
tsparticles is an upgraded and continued version of the Particles.js library to create particles in an elegant way.