MacSpice simulates and analyses electronic circuits that can range in complexity from a single resistor to an integrated circuit comprising tens-of-thousands of devices. It has users who range in experience from school-age enthusiasts to retired integrated circuit designers. It is used at various universities internationally for research and teaching.
MacSpice has native support for both PowerPC and Intel architecture Apple Macintosh computers....
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This download (MacSpice) is freeware. "Freeware is copyrighted computer software which is made available for use free of charge, for an unlimited time, as opposed to shareware where the user is required to pay (e.g. after some trial period or for additional functionality)." More info at
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