jQuery UI Dialog

Displays customizable dialog windows.

Colorbox

jQuery lightbox and modal window plugin

Magnific Popup

Fast, light, mobile-friendly and responsive lightbox and modal dialog plugin. Open inline HTML, ajax loaded content, image, form, iframe (YouTube video, Vimeo, Google Maps), photo gallery. Animation effects added with CSS3 transitions. For jQuery or Zepto.

Avgrund Popins

Avgrund is a jquery plugin for modal boxes and popups. It uses new concept showing depth between popup and page. It works in all modern browsers and gracefully degrade in those that do not support CSS transitions and transformations

Bootstrap Image Gallery

Bootstrap Image Gallery is an extension to blueimp Gallery, a touch-enabled, responsive and customizable image and video gallery. It displays images and videos in the modal dialog of the Bootstrap framework, features swipe, mouse and keyboard navigation, transition effects, fullscreen support and on-demand content loading and can be extended to display additional content types.

BlockUI

Simulate synchronous ajax by blocking – not locking – the UI. This plugin lets you block user interaction with the page or with a specific element on the page. Also great at displaying modal dialogs.

Remodal

Flat, responsive, lightweight, easy customizable modal window plugin with declarative state notation and hash tracking.

Custombox

jQuery Modal Window Effects with transitions CSS3.

Sco.js library

Javascript extensions for Twitter Bootstrap. Rewrites bootstrap tabs, collapse, modal, tooltip components for easier usage and provides more plugins for your coding pleasure

OmniWindow

Extremely customizable modal window plugin for jQuery with 150 lines of code, written specially for programmers.