Circuit Wizard is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is KiCad, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Circuit Wizard and 15 are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Circuit Wizard are Fritzing (Paid, Open Source), Circuit JS (Free, Open Source), QUCS (Free, Open Source) and LibrePCB (Free, Open Source).
Ngspice is a mixed-level/mixed-signal circuit simulator. Its code is based on three open source software packages: Spice3f5, Cider1b1 and Xspice. Ngspice is part of gEDA project, a full GPL'd suite of Electronic Design Automation tools.
With Solve Elec you can : - draw and analyze electrical circuits functioning in direct or alternating current - get literal formulas and values for current intensities and voltages defined in the circuit. - verify circuit related equations. - draw graphs.
Physical things are great. Hardware companies like Apple, Arduino, etc are disrupting our lives in a big way. At BrainBox we love hardware hackers and are in absolute awe of their awesome design and applications they build.