Pencil is a webdesign tool that allows you to create webpage designs and sketches with just a few clicks. The program is designed to help you create page layouts and to export them in order to use them when deciding the look of the website.
This tool provides you with a large collection of shapes and objects that are usually used when creating a webpage. If you need more items, you can look for a specific clipart in the online database.
You can use the program to export the template to multiple formats that can be distributed to the other members of the design team.