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.
Javascript
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.
Smooth Bottom Sheet Web Component with Native Mobile Feel
Build smooth bottom sheet UIs with CSS scroll snap mechanics. Pure Web Bottom Sheet works across React, Vue, and vanilla HTML with native mobile feel.
ApexCharts.js: Responsive, Interactive SVG Chart Library for Dashboards and Apps
Turn JavaScript data into responsive SVG charts for dashboards, reports, and analytics, with canvas support for dense series.
Canvas Confetti: Custom Confetti Bursts with JavaScript
Create configurable JavaScript confetti with custom particle physics, built-in shapes, SVG paths, emoji, and Promise completion.
Interactive WebGL Fluid Motion with Smokey Fluid Cursor
Real-time fluid simulation library using WebGL for interactive cursor effects. Lightweight, configurable physics, and smooth performance on all devices.
Build High-contrast, Minimalist UI Components with Neubrutalism CSS Framework
A lightweight CSS framework that delivers responsive, high-contrast, visually consistent UI components inspired by Brutalist design principles.
Add to Calendar Button – JavaScript Calendar Links
Add Google, Apple, Outlook, Teams, Yahoo, and iCal event links with a JavaScript web component for recurring events, styles, and ICS output.
Resizable Split Layouts in JavaScript – resizable-panes-js
Resize multi-pane JavaScript layouts with custom handles, size constraints, nested panes, visibility controls, and persistent state.
code-input.js: Editable Syntax-Highlighted Textarea
Create a syntax-highlighted code field with fallback textarea markup, pluggable highlighting, autocomplete, find/replace, autogrow, and wrapping.