The free version of nanoCAD includes basic functionalities such as native DWG support, creating and editing DWG files, layer management, and basic 3D modeling features. However, it lacks some advanced features available in paid versions, such as tool palettes, sheet sets, and more comprehensive 3D modeling tools. Advanced user interface options like the ribbon interface, dynamic input, and custom command creation are also exclusive to the paid versions. For detailed comparisons and specific features, please visit the nanoCAD comparison page. This page provides an in-depth look at the differences, highlighting what functionalities are available in the free software version versus what additional features and capabilities are unlocked with the paid versions