ngspice vs Siemens Building X
| ngspice | Siemens Building X | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Windows, macOS, Linux | Android, api, iOS, Linux, macOS, Web, Windows |
| Free plan | Yes | Yes |
| Schematic capture | No | — |
| Electrical simulation | advanced | basic |
| Standards libraries | Yes | Yes |
| Deployment | desktop | cloud |
| Panel design | — | Yes |
Both are listed in Best Electrical Design Software. On Everything Xiaomi, ngspice scores higher on our published basis.