ngspice
6.9#20 in physics simulation softwareFree planFree planLinuxmacOSSelf-hostedWindows
Visitngspice vs SimFlow
What both publish
| Fact | ngspice | SimFlow |
|---|---|---|
| Free plan | Yes | Yes |
ngspice plans
- ngspiceFree
SimFlow plans
- FreeFree
- Professional€8,000 a year
- Enterprise€10,000 a year
Pick ngspice if…
It suits circuit designers or developers who work with netlists and need analog, digital, or mixed-signal simulation. It may also fit users integrating a simulator with another application or Python interface.
Pick SimFlow if…
It suits CFD users who want desktop software and local control of simulation data, including those working in secure offline environments. The Free plan may suit users within its mesh-node and CPU limits.