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.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux




Most users think QUCS is a great Circuit JS alternative.
QUCS is the most popular Windows, Mac & Linux alternative to Circuit JS.
QUCS is the most popular Open Source & free alternative to Circuit JS.
- QUCS is Free and Open Source





















































Very similar, but paid with limited free mode