I came across this article last night, useful for anyone that is into graphic design.
http://www.graphicdesignblog.co.uk/f...raphic-design/
In particular, the article links to a site called Alternative to
[h=Alternative to]3[/h] http://www.alternativeto.net
On this site you have a couple of options, if you have something specific you are looking for – type in the mainstream commercial design program ie. Dreamweaver and then it will give you a list of alternatives (both paid and free).