Circuit Simulator

Animated electronic circuit simulator using ideal components to visualize voltage and current.

Free Open Source Mac OS X Windows Linux Web

QUCS

The Quite Universal Circuit Simulator (QUCS) is an integrated circuit simulator allowing the simulation and graphical presentation of results of large-signal, small-signal and noise behavior in circuits.

Free Open Source Mac OS X Windows Linux

PSIM

For engineers who want to expand the possibilities of power electronics. PSIM is the fastest and most reliable simulation tool. Built by engineers, for engineers.

Commercial Windows

Qucs-S

Qucs-S is a spin-off of the Qucs cross-platform circuit simulator. "S" letter indicates SPICE. The purpose of the Qucs-S subproject is to use free SPICE...

Free Open Source Linux