The 3.3.1 version of MacSpice for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free Mac app is an intellectual property of Charles D. H. Williams. MacSpice for Mac lies within Education Tools, more precisely Science. The bundle identifier for MacSpice for Mac is CDHW.MacSpice. The application's installation file is generally known as MacSpice3f5.dmg. The following versions: 2.9 and 2.1 are the most frequently downloaded ones by the program users.
From the developer:
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.
You may want to check out more Mac applications, such as Periodic Table, Mercury or Elements, which might be related to MacSpice.