SweetAlert is a beautiful replacement for JavaScript's alert.
It automatically centers itself on the page and looks great no matter if you're using a desktop computer, mobile or tablet. It's highly customizeable.
jQuery Subscribe Better is a plugin to create a better, highly customizable subscription modal or newsletter signup.
Stackbox is a jQuery plugin for creating stackable modal boxes. It's also easy to customize using CSS / LESS.
Amaran JS is a jQuery plugin to create beautiful and stylish notifications with animations.
jReject is a simple, light-weight library designed to display a popup based on a the browser, specific browser version, specific platforms, or rendering engine. Provides full customization of the popup.
Uses a small CSS file, and can easily be used on page load or during a specific page event. Also provides a flexible way to beautifully and cleanly display custom browser alternatives in the popup.
popModal is a jQuery plugin for showing tooltips, titles, modal dialogs
jBox is a powerful and flexible jQuery plugin, taking care of all your popup windows, tooltips, notices and more.
jsPanel is a jQuery Plugin to create highly configurable floating panels for use in a backend solution and other web applications.
plainModal is a simple jQuery Plugin for customizable modal windows. plainModal has basic functions only, and it does nothing for styles. It has no image files and no CSS files. Just one small file.
PgwModal is a responsive modal/dialog window for jQuery.
Avgrund is a modal concept which aims to give a sense of depth between the page and modal layers. Uses CSS transforms to scale components and CSS filters to blur the page. Built for the fun of it, not intended for any practical use.
jQuery Full Screen Nav plugin makes a <nav>
menu overlay the full screen & calculate a size for links on page load and window resize.
Remodal is a flat, responsive, lightweight, easy customizable modal window jQuery plugin with declarative state notation and hash tracking.
notifIt is a jQuery plugin to show notifications of everything you want and when you want, simply and quickly.
Easy to learn and use. Customize with your favorite colors, define the size you want, set the opacity, make a sticky one and much more!