Interestingly enough I haven't read anyone suggesting this: Macromedia Freehand. Before Adobe acquired Macromedia and killed it in favour of Illustrator, it was

Interestingly enough I haven't read anyone suggesting this: Macromedia Freehand. Before Adobe acquired Macromedia and killed it in favour of Illustrator, it was probably the best vector drawing program you could get at the time. I'd love to resurrect it and make it open source.