A full-featured drawing program for Windows and Mac from Adobe. Originally developed for the Mac in 1987 and Windows in 1989, Illustrator has been the most widely used vector graphics editor.

Open source vector graphics package Inkscape is staggeringly powerful, and is the best free Adobe Illustrator alternative for pro and semi-pro illustrators, graphic designers and web designers.

An AI file or Adobe Illustrator Artwork file is a vector graphics file format developed by Adobe Systems. It is primarily used in the Adobe Illustrator program for the creation of different kinds ...