P-Loading is a powerful jQuery plugin, for faster and easier web development, which allows you to have a main loading mask platform that is able to use many different spinners by installing P-Loading add-ons.
Prelodr is a simple material preloader inspired in Google Inbox.
PreLoadMe is a lightweight preloader for any webcontent by using jQuery and CSS. It is fully responsive and will run on all modern desktop- and mobile browsers with no additionals plugins.
CircletPreloader is a lightweight jQuery plugin to create circular preloader animation.
Preloader.js is a jQuery plugin to create YouTube like progress bar for your website. It's simple, fast and customizable.
Material Preloader is a jQuery plugin that recreates the Material Design preloader.