magnific-popup

Lightbox and modal dialog plugin. Can display inline HTML, iframes (YouTube video, Vimeo, Google Maps), or an image gallery. Animation effects are added with CSS3 transitions. For jQuery or Zepto.

jsrender

Best-of-breed templating in browser or on Node.js (with Express 4, Hapi and Browserify integration)

jquery-mockjax

The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responses.