Responsive CSS Only Header Navigation – Luxbar
Luxbar is a CSS library used for creating a responsive, mobile-friendly header navigation that is fully customizable via CSS classes.
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Morphing Hamburger Menu With Pure CSS/CSS3
A pretty cool app/site navigation which has the ability to morph the hamburger button into a top navigation panel when clicked/taped.
Grid Overlays For Modern Web Layout Design – Graaf
Graaf is a collection of pure CSS grid overlays that display grid and measurement overlays for grid system design.
CSS Only Pinterest-like Responsive Board Layout – Boardz.css
Boardz.css is a very lightweight CSS library which lets you generate a responsive, adaptive, Pinterest board-like grid layout from normal html lists.
Pure CSS Scroll Depth Indicator
A pure CSS solution to create a fixed header progress bar indicating how far you have scrolled. Powered by @supports CSS at-rule.
Animated Side TOC Nav For Long Web Content
This is a pretty cool side TOC & navigation system which allows to highlight the current nav item with an animated progress line when you scroll through the webpage.
Multi-purpose Javascript Smooth Scroller – iscroll
iscroll is a powerful, mobile touch-friendly javascript smooth scroller library for multiple purpose.
Interactive Graph Visualization Using D3.js – ggraph
ggraph is an interaction graph visualization library which allows you to merge, split and remove messy data using the familiar D3.js library.
Insert Pretty Awesome Buttons Into Your Webpage Using Pure CSS – bttn.css
bttn.css is a cross-browser CSS library that helps you create various types of actions types with variable sizes and colors on the web applications.
Flexbox Based Vertical Accordion With Pure CSS
A smooth, responsive, vertical accordion UI that expands the current accordion panel on mouse hover, built using pure CSS and flexbox model.