nTop vs Siemens NX
| nTop | Siemens NX | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Linux, Windows | Web, Windows |
| Modeling method | parametric | hybrid |
| Assembly design | Yes | Yes |
| Surface modeling | Yes | Yes |
| Supported platforms | Windows 11; Red Hat Enterprise Linux 8.9 for nTop Automate | Windows desktop; NX X Design is cloud SaaS and supports browser-based access |
| File import and export | CAD: STEP, Parasolid, CATIA V5, Creo, Inventor, Siemens NX, SolidWorks, ACIS; mesh: STL, OBJ, PLY, 3MF, OFF; CAE: Abaqus, ANSYS, LS-DYNA, Nastran, Patran, CGNS, UNV; other: implicit, LTXC, CSV, VDB, PNG, CLI and manufacturing slice formats | IGES, STEP AP203, STEP AP214, DXF/DWG, STL, 3MF; NX X data exchange also lists JT, Solid Edge and SolidWorks open |
| Free plan | — | No |
| Sheet-metal tools | — | Yes |
| Cloud collaboration | — | Yes |
Both are listed in Best 3D CAD Software. On Everything Xiaomi, Siemens NX scores higher on our published basis.