Use Firefox to Create Simple Mockups

Pencil is a wireframing tool that we can use to sketch a mock up of our application’s user interface. The great thing about Pencil is that it is lightweight, easy to use, and tightly integrated with Firefox. On top of it all its a free open source application ! At the end of the article we will give you a simple demo on how to use Pencil to create a Brizzly like wireframe.