Elegant Notification Popup JavaScript Library – Notiflix
Notiflix is a flexible, powerful and customizable notification popup library which sends different types of notification messages to the user.
JavaScript & CSS loading indicator
Ladda Button Component In JavaScript – Kaomos Button
Kaomos Button is a pure JavaScript Ladda Button web component that displays an inline loading indicator inside the action button when a certain action is triggered.
9 Minimal CSS Loading Spinners
Yet another collection of 9 minimal loading spinners created using pure CSS/CSS3.
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.
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.
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.
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.
Google Loaders Redesign In Pure CSS
A pure CSS library that recreates the Google loading indicators (loaders, loading spinners) with pure CSS/CSS3.
Basic Loading Screen For Material Design Lite – material-loading
The material-loading lets you create a fullscreen loading screen for official Material Design Lite framework.