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
Animated Random Word Loading Indicator – Word Loader
A Word Loader JavaScript plugin that randomly animates an array of text before the whole page is completely loaded.
iOS Style Loading Indicator & Alert/Confirm Dialog Plugin – Popup.js
A native JavaScript popup component that help developer create iOS style loading spinners and alert & confirmation dialog boxes on the web application.
Youtube-like Customizable Top Loader In JavaScript – pageload
pageload is a small and dependency-free loading indicator library to create a Youtube-like loading bar on the top of the webpage.
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.
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.
Simulate Youtube Top Loading Indicator With TopLoader.js
TopLoader.js is a small JavaScript component that lets you create an animated top progress bar to simulate the Youtube-style loading indicator.
Fullscreen Loading Indicator – ui-preloader
A minimal clean loader UI component to create a customizable, fullscreen, CSS3 animated indicator for any loading process.
Facebook Inspired Skeleton Loader In Pure CSS – Placeholder Loading
This is the pure CSS solution to create simple, animated, customizable skeleton loading effect as you’ve seen on Facebook.
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.