EQ has a very basic program for about $30
http://www.electricquilt.com/Shop/QDW/QDW.asp
also found this-know nothing about it-don't know if safe to download or not:
http://www.cosman.nl/software_en.html
Planet patchwork does a comparison
http://planetpatchwork.com/qltprogs.htm
and
http://www.quiltsoftware.com/
good luck