Replace Favicon With A Loading Indicator In The Browser Tab – favloader
favloader is a vanilla JavaScript plugin that replaces the favicon with a customizable loading spinner when needed.
JavaScript & CSS Loading Spinner
Fancy Three-dots Loading Spinners With Pure CSS – Three Dots
Three Dots is a small CSS/CSS3 library that provides a set of 19 fancy animated loading spinners created with three dots.
Configurable Loading Spinner With Pure JS – loadingOverlay.js
loadingOverlay.js is a standalone JavaScript library to create a configurable loading spinner (overlay) with spin handles support.
Single Div CSS Loading Spinners – css-loader
css-loader is a set of loading indicators / spinners built using single DIV element and pure CSS/CSS3.
12+ Pure CSS/SCSS Loading Indicators – SpinThatShit
SpinThatShit is a set of 12+ pure CSS single element loading spinners which can be used to indicate the content loading status in an elegant way.
Pure CSS Loading Indicator Collection – mk-spinners
mk-spinners is a fresh new collection of cool animated loading indicators/spinners created by pure CSS/SASS.
Customizable Button Loader In JavaScript – Btn-loader
Btn-loader is a tiny, dependency-free JavaScript library that replaces the regular button with a customizable loading indicator when clicked.
16 Animated CSS3 Loaders – LoadLab
Yet another CSS loader collection that provides 16 animated loading indicators/spinners based on CSS3 animations and plain HTML structure.
iOS Style Loading Spinner with Pure CSS – ispinner
Display an iOS-style loading indicator while data in a specific area is loading. Built with pure CSS and CSS3.
Simple Lightweight JavaScript SVG Loader Library – Rocket-Loader
Loaderplate is a simple, lightweight javascript library that uses SVG icons to generate an animated loading spinner on a given container.