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MacSpice is an electronic circuit simulator. Circuit simulation is a way of building and testing virtual models of electronic devices. It is usually cheaper and quicker to simulate a design than to build a prototype. MacSpice uses a text-file 'netlist' description of the circuit as input. This is a list of components and the nodes they connect to. Users may prepare netlists with a text editor, or derive them from a circuit diagram using a third-party schematic-capture application. MacSpice then builds a numerical model of the circuit and analyses this.

A command interpreter (shell) is used to specify the types of more...

What's New

Version 3.1.1:


  • The 'hardcopy' command now has an option to produce SVG.

Bug Fixes:

  • Quartz driver now uses linestyle2 correctly when only one curve is being plotted.
  • Icon for help book updated.
  • Fixed leak in 'hardcopy' demand, which also now displays the final curve.
  • Traditional 'scalar' pole-zero analysis now creates scalars, not single-element vectors.


  • OS X 10.6 or later

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Current Version (3.x)


Downloads 37,446
Version Downloads 384
License Free
Date 29 Dec 2014
Platform Intel 64 / OS X
Price Free
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