Checkout their cool demo.
And their main features include:
- Horizontally and vertically fluid layout module with columns and panels with toolbars.
- Panel content can be loaded with innerHTML, XHR, or an iFrame.
- The windows and their drop shadows are drawn with the canvas element.
- Windows are resizable in 8 directions.
- Dynamically create new windows on demand and load their content with innerHTML, XHR, or an iFrame.
read more features
Leave your opinion, do you thinkk this will be our feature User Interface Library?