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
Text Loading Effect By Animating Characters – letterloading.js
A vanilla JavaScript library to simulate a text loading effect by animating an array of text strings.
Customizable Screen Skeleton Loader In CSS – css-skeletons.css
A CSS library to generate an animated, highly customizable skeleton preview of your web content using a single DIV.
Notification/Dialog/Loading Indicator JavaScript Library – Fnon
A multifunctional popup box library for creating toast notifications, alert/confirm dialog boxes, and various types of loading indicators on the web app.
Animated Skeleton Loading Screens In Pure CSS
A CSS skeleton loader library that creates an animated skeleton preview of your block content (e.g. text, cards, images) when the data is loading.
126 Beautiful & Creative Loaders In CSS/CSS3
A set of 126 beautiful, creative, animated loading spinners for content loaders, page preloaders, skeleton loaders (screens).
Google Inspired 4-Dot Loading Indicators In Pure CSS
A set of animated, Google inspired, 4-dot loading indicators built using pure CSS.
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.