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
Flat, responsive, lightweight, easy customizable modal window plugin with declarative state notation and hash tracking.
bPopup is a lightweight jQuery modal popup plugin (only 1.49KB gzipped). It doesn’t create or style your popup but provides you with all the logic like centering, modal overlay, events and more. It gives you a lot of opportunities to customize so it will fit your needs.
A simple, lightweight jQuery modal plugin that’s highly configurable, easy-to-use & implement. Includes multiple implementation options like timed, automatic, sticky modals and more! It has the ability to show modals only once per user using HTML5 web storage or jQuery.cookie as a fallback.