File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery. Supports cross-domain, chunked and resumable file uploads. Works with any server-side platform (Google App Engine, PHP, Python, Ruby on Rails, Java, etc.) that supports standard HTML form file uploads.
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.
Pretender is a mock server library for XMLHttpRequest and Fetch, that comes with an express/sinatra style syntax for defining routes and their handlers.