Computer aided drawing (CAD) programs are used to create or modify digital images. There are many different types of CAD programs, but all of them allow you to create or modify images using a computer.

One of the best things about CAD programs is that they are often free to use. This makes them a great option for people who want to create digital images but don’t have a lot of money to spend.

There are a number of different free CAD programs to choose from. Some of the most popular ones include Inkscape, GIMP, and Krita.

Each of these …