FDTDX vs Open Source Physics
| FDTDX | Open Source Physics | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, self-hosted | Web, Windows, macOS, Linux, iOS, Android |
| Free plan | Yes | — |
| Delivery mode | desktop | hybrid |
| Lesson library | No | Yes |
| Authoring tools | Yes | Yes |
| Assessment tools | No | — |
| 3D visuals | Yes | Yes |
| Data export | Yes | Yes |
| Offline access | — | Yes |
Both are listed in Best Physics Simulation Software. On Everything Xiaomi, Open Source Physics scores higher on our published basis.