HofstadterTools vs ngspice
| HofstadterTools | ngspice | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Linux | Linux, macOS, self-hosted, Windows |
| Free plan | Yes | Yes |
| Delivery mode | desktop | — |
| Lesson library | No | — |
| Authoring tools | No | — |
| Assessment tools | No | — |
| 3D visuals | No | — |
Both are listed in Best Physics Simulation Software. On Freedom251, ngspice scores higher on our published basis.