css-loader is a set of loading indicators / spinners built using single DIV element and pure CSS/CSS3. Useful to notify you of current loading state during a specific call to and from the server.
ispinner is a lightweight CSS library that helps you display an iOS-style animated loading indicator while data in a specific area is loading.
Loading Effect is a collection of 20+ fancy animated loading indicators (loaders, loading spinners) built using only CSS and CSS3.
whirl.css is a lightweight CSS library helps you create a variety of loading animations (loading spinners) using pure CSS/CSS3. Also comes with a loading overlay covering the target area.
3. Fast Spinner
Fast Spinner is a simple and fast JS library for creating animated and highly customizable loading spinners for visualizing the loading progress. Animated with CSS3 animations, transforms and @keyframes.
A Google-inspired loading spinner/loader animating through four colors, built using SVG and CSS / CSS3.
A pure CSS/CSS3 based loading spinner with fullscreen overlay inspired by Apples’ iOS & OS X.