Cross-platform Viewport Checker With Pure JavaScript – emergence.js
emergence.js is a viewport checker that detects if HTML elements are in the viewport and performs actions when the elements are visible and/or hidden.
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Lightweight Responsive CSS Grid Framework – BackPack.css
BackPack.css is a small CSS grid framework which helps you generate a fully responsive, 12-column based grid layout for modern web design.
Customizable Social Share Bar In JavaScript – share-bar
share-bar is a dependency-free JavaScript library to help you generate a customizable, themeable social share bar for your posts, articles, and pages.
Scalable Vector Iconic Font – fontisto
fontisto is a Font Awesome inspired iconic font that contains 260+ scalable vector icons for modern UI/UX design.
CSS Only Responsive Modal Window – Light Modal
Light Modal is a lightweight (2kb minified) CSS library to create responsive, customizable, CSS3 animated modal windows with no dependency.
Convert Images & Videos To ASCII Art – aalib.js
aalib.js is a dependency-free JavaScript library that automatically converts images and videos into static or moving ASCII art.
Configurable Color Transition Library – sweep.js
sweep.js is a vanilla JavaScript library which enables you to create smooth color transitions on any elements.
Generate Shareable Images Of Source Code – Carbon
Carbon is a beautiful source code editor that has the ability to generate downloadable and shareable images of your source code with custom styles.
Multifunctional Lightbox/Gallery/Dialog Library – MODALit
The MODALit JavaScript library lets you create responsive, CSS3 animated lightbox, dialog boxes, modal windows, gallery popups on the web page.
CSS Only Off-canvas Navigation Using CSS Pseudo-class
A pure CSS, mobile-friendly off-canvas navigation system built using plain HTML/CSS/CSS3 and :focus-within CSS pseudo-class.