babypaunch.spinner.js is a really small jQuery plugin that generates a customizable loading / busy indicator to tell your user some background task is still running.
jQuery Ajax Loading Overlay with Loading Text and Spinner Plugin
Create An Android Holo Themed Loading Spinner with jQuery and Html5
Google Style Text Flip & Rotate Effects with jQuery and CSS3
jQuery Plugin To Create iOS-style Overlays/Notifications - iosnotice
Simple Ajax Loading Spinner Widget with jQuery - dpLoading
Simple jQuery Loading Spinner/Overlay Plugin - Loader
Easy Page & Element Loader Plugin with jQuery - loader.js
Draw and Animate (Pre)Loaders with jQuery and Canvas - CanvasLoader
Customizable jQuery Loading Overlay & Spinner Plugin - Waiting
jQuery Plugin For Loading Indicators On Specified Elements - loadingImageThingy
jQuery Plugin For Windows 8 Style Loading Spinner - SPIN
Minimal jQuery Plugin For Page Preloading Effect - Basic Preloader
jQuery Plugin For Custom Loading Overlay & Indicator - Show Loading
jQuery Plugin To Making Loading Overlays On Given Elements - Wait Overlay
Fullscreen Loading Indicators with jQuery and CSS3 - HoldOn.js
Material Design Style Loading Spinner with jQuery and CSS3
Customizable AJAX Loader Plugin For jQuery - Mask Loader
Lightweight jQuery AJAX Loading Spinner Plugin - ajax-loading.js
Minimal AJAX Loading Spinner Plugin with jQuery - pleaseWait
Animated Circle / Arc Generator with jQuery and SVG - SVG Arc Creator
Minimalist Text Loading Spinner Plugin With jQuery - Spindle
Custom Loading Indicator Plugin with jQuery and Font Awesome - faloading
Multi-functional jQuery Alert & Message Plugin - gmsg.js
Simple Loading Spinner Plugin With Task Queue Support - spinnerQueue
Custom Loading Spinner & Overlay Plugin For jQuery - qspin.js
jQuery Plugin To Create CSS3 Animated Spinners - jRoll
Lightweight jQuery Loading Button Plugin - LoadingStateButtons
Minimalist Loading Indicator Plugin For jQuery - Preloader.js
Minimalist Loading Overlay Plugin For jQuery - LoadingBox
jQuery Plugin For Built-In Loading Indicator In Buttons - Button Loader
Easy Customizable Loading Mask Plugin With jQuery - mloading
Simple (Background) Image Loader Plugin With jQuery And CSS3 - loadImages.js
Fullscreen Loading Modal / Indicator Plugin For jQuery - loadingModal
Minimal jQuery Loading Overlay & Spinner Plugin - Easy Overlay
Small Loading Modal Overlay Plugin With jQuery - loadingBlock
jQuery Plugin To Handle CSS3 Powered Spinners & Loaders - Loading.js
Modern Circle Loading Indicator Plugin For jQuery - jquery-loading.js
Animated Circles Loading Spinner With jQuery - g-spinner
Easy To Customize jQuery Loading Indicator Plugin - babypaunch.spinner.js
Interactive Mini Game During Loading - loaderMiniGame
Simplest Ajax Loader With jQuery And CSS3 - jmspinner
Customizable Pull To Refresh Indicator With jQuery - ptrLight
Fully Configurable jQuery Loading Animation Plugin - JQueryLoader
Elegant Customizable Loading Indicator For jQuery - preloader
jQuery Plugin To Manipulate CSS3 Loading Animations - EasyLoading
Basic Loading Indicator Plugin With jQuery - Wload.js
Cross-browser Loading Indicator Plugin - jQuery showLoading.js
Custom Loading Modal With jQuery And Font Awesome Icons - fa-loading
Custom Loading Spinner With Sprite Animations - jQuery Preloaders.js
Loading Indicator With Dynamic Loading Text - Incipit
Generate Multi-State UI Buttons With jQuery - magicButtons
spin.js - Animated CSS3 Loading Spinner
Simple Flexible Loading Overlay Plugin With jQuery - loadingoverlay.js
Highly Customizable Loading Mask Plugin For jQuery - busy-load
10 Awesome Loading Indicators With jQuery And CSS - JAjaxLoader
jQuery Plugin To Create Fullscreen Preloading Effects - fakeLoader.js
Inline Loading (Ladda) Button With jqXHR/Promise Support - Waitable Button
Custom Loading Indicator On Desired DOM Element - jQuery LoadingView
Merge Loading indicators Into Action Buttons - jQuery loadButton.js
Inline Button Loader For Bootstrap 4 - Bootstrap4C Spinners