HTML5 <audio> or <video> player with Flash and Silverlight shims that mimics the HTML5 MediaElement API, enabling a consistent UI in all browsers.
localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood
HTTP mocking and expectations library
A jQuery typing animation script.
motion graphics library for the web
Declarative on-scroll reveal animations.
A Node.js tool to automate end-to-end web testing.
Multiple file upload plugin with progress-bar, drag-and-drop.
For slim progress bars like on YouTube, Medium, etc