So, what is Inkscape?

Inkscape is an Open Source, free program that creates vector-based graphics that can be used in web, print, and screen design as well as interface and logo creation, and material cutting. Its capabilities are similar to those of commercial products such as Adobe Illustrator, Macromedia Freehand, and CorelDraw and it can be used for any number of practical purposes—creating vector graphics for use in illustrations, business letterheads, computer and electronic wallpapers, designing logos, and—as is the focus of this book—designing web pages and the elements within web page design.

You not only get a free download under the GNU General Public License (GPL), but can use the program to create items with it and freely distribute them, modify the program itself, and share that modified program with others.

Inkscape uses Scalable Vector Graphics (SVG) , a vector-based drawing language that uses some basic principles:

• A drawing can (and should) be scalable...