Hello First L, Diptrace schm & PCB package has the MAX668 in all packages. The free version has a limit of 300 pins (no other limits such as time etc.), autoplace, autoroute, component editor (roll your own), pads editor, extensive libraries and it's own forum where we share our component/pad libraries. It's the easiest package to use that I have come across over the last few years.
Link: http://www.diptrace.com
Kikad from sourceforge.net is also a good package (open source - no limits) but is a bit harder to use, and I'm not sure that the library contains the MAX668
Hope this is of some help...chester
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PCB software
2010-10-29 by Howard Chester