Picostyle is ultra lightweight CSS-in-JS library. Picostyle works well with Media Queries, Pseudo-element and Pseudo-classes.
A simple morphing page transition effect where an SVG path gets morphed into another while the current page moves up.
Anime.js used for the animations and Charming.js used for some letter effects.
jcSlider is a jQuery plugin to create responsive slider with CSS animations.
A tutorial about creating SVG line animations of different animals by using Snap.svg
humane.js is a simple, modern, framework-independent, well-tested, unobtrusive, notification system.
Utilizes CSS transitions when available, falls back to JS animation when not. Includes mobile support.
Yamm is a lightweight and pure CSS megamenu that uses the standard navbar markup and the fluid grid system classes from Bootstrap 3.
Some ideas for previewing or just playing with folders on hover. The idea is to show a little animation when hovering a folder icon and reveal some kind of preview for what's inside.
Ember Burger Menu is an off-canvas sidebar component with a collection of animations and styles using CSS transitions.