I n t r o d u c t i o n

Sketch is an interactive, object oriented drawing program. This means that the drawing is composed of objects like rectangles, lines or pieces of text. Sketch allows you to manipulate the objects by moving them around, resizing them or changing their color, etc.

This type of program is also called a vector drawing software because objects are stored as mathematics coordinates.
There are other similar softwares : Xfig, Tgif  (free for non-commercial use), Sodipodi, Gyve are open source ones therefore free.
The most popular are proprietary : Corel Draw or Adobe Illustrator.

Sketch is written in an interpreted language called Python, which makes it unique
 

S u m m a r y

N e x t   p a g e