TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
impress.js : It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com
flatpickr : flatpickr is a lightweight and powerful datetime picker.
Lean, UX-driven, and extensible, yet it doesn’t depend on any libraries. There’s minimal UI b...
Zero Clipboard : The Zero Clipboard library provides an easy way to copy text to the clipboard using an invisible Adobe Flash movie, and a JavaScript interface. The "Z...