Cezary Kluczyński
Simone is a JavaScript window manager consisting of two widgets: taskbar and window, providing a desktop-like experience. It's especially useful for single-page applications. It's built on top of the jQuery and jQuery UI.
anseki
The simple jQuery Plugin for customizable overlay which covers a page, elements or iframe-windows that is specified.
Visual jQuery Lightbox – Beautiful jQuery Lightbox
VisualLightBox.com
Visual LightBox is a web photo galleries with a nice Lightbox-style overlay effect. * Cross-browser - works perfectly on all browsers (including IE6) * Responsive - smoothly adapts to any browser resolutions and device screens * Mobile-ready - optimized for Android and iOS devices * Search engine friendly and semantically valid * Unobtrusive - even without Javascript, the images are still accessible * Huge collection of fancy Lightbox themes - see live demos * Keyboard navigation - use left/right arrow key to navigate * Floating and smooth cross-fade transition * Lightweight (12Kb only)
Video jQuery Lightbox – Fancy Video LightBox!
VideoLightBox.com
Video LightBox for jQuery is a free extension that helps you easily embed video to website, web page or blog. * Embed flv, mp4, 3gp video files * Add Youtube, Facebook, Google Video, Metacafe, Vimeo, MySpace videos * XHTML compliant * Automatic thumbnail creation * Adding caption
Stephan Wagner
jBox is a powerful and flexible jQuery plugin, taking care of all your popup windows, tooltips, notices and more.
Jonathan M. Piat
Responsive modal / dialog window for jQuery
Stefan Straesser
jQuery plugin to create highly configurable multifunctional floating panels for use in backend solutions and other web applications. Also usable as modal panel, tooltip or hint. With built in support for bootstrap, right-to-left text direction and more ...
Bjørn Klinggaard
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.
anseki
The simple jQuery Plugin for customizable modal windows.