Slick Content Loader With Vanilla JavaScript – slick-loader
A small and developer-friendly content loader JavaScript library for the web.
JavaScript & CSS Loading Spinner
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.
Configurable Loading Spinner & Toast Notification Library – NoticeKit
The NoticeKit JavaScript library provides 6 types of loading spinners and 5 types of toast notifications for modern web development.
Animated Wave Progress Spinner In Pure CSS – progress-waves.css
A CSS library to create animated, wave-style loading spinners that can be used to represent the ‘in-progress’ state.
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.
6 Loading Animations In Pure CSS
A set of 6 pretty cool loading animations that can be used as loading spinners while loading content in the document.
126 Beautiful & Creative Loaders In CSS/CSS3
A set of 126 beautiful, creative, animated loading spinners for content loaders, page preloaders, skeleton loaders (screens).
3 Animated Loading Spinners In Pure CSS – spinner.css
Yet another collection of 3 animated loading spinners written in pure CSS/CSS3. Easy to implement via plain HTML.
Beautiful Loading Spinners & Progress Bars – Loading-Visualization
Loading-Visualization is a JavaScript/CSS library to visualizing loading status in animated, customizable loading spinners & progress bars.
16 Single Element Loading Spinners In Pure CSS – SpinBolt
SpinBolt is a collection of 16 minimal, clean, circular, animated loading spinners implemented in single element and CSS/CSS3.