Alternatives to nanoCAD
A DWG-compatible 2D drafting and 3D modelling CAD platform for Windows with optional modules. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
nanoCAD
A DWG-compatible 2D drafting and 3D modelling CAD platform for Windows with optional modules.
Replacements
Listings that take over the same core job as nanoCAD.
AutoCAD
Autodesk's 2D drafting and 3D CAD application, available on the desktop and in the browser.
AutoCAD uses the native DWG format, has desktop and web versions sharing drawings, and requires an Autodesk account with expensive commercial licensing.
BricsCAD
Native-DWG CAD software with 2D drafting, 3D modeling, BIM, and mechanical variants.
BricsCAD offers native DWG with 2D, 3D, BIM and mechanical variants, and runs on macOS and Linux as well as Windows, with a paid licence after a trial.
ZWCAD
Commercial 2D drafting and 3D CAD software with native DWG compatibility, offered as an AutoCAD alternative.
ZWCAD is native DWG CAD for Windows covering 2D and 3D, with a perpetual licence option and custom development support, but a high upfront cost.
GstarCAD
Commercial CAD software for 2D drafting and 3D design that works natively with DWG files.
GstarCAD works directly in DWG on Windows with industry editions for mechanical and architectural work, paid after a 30-day trial.
progeCAD Professional
AutoCAD-compatible 2D and 3D DWG CAD software for Windows sold with a perpetual licence.
progeCAD Professional provides AutoCAD-style DWG CAD on Windows with a perpetual licence and imports Revit, IFC, STEP and PDF files.
DraftSight
A commercial 2D CAD desktop application for drafting and editing DWG drawings, from Dassault Systèmes.
DraftSight from Dassault Systèmes offers full DWG support on Windows but focuses mainly on 2D drafting and is paid after the trial.
TurboCAD
Commercial 2D and 3D CAD software for drafting and mechanical and architectural design on Windows and Mac.
TurboCAD covers 2D drafting and 3D modelling on Windows and Mac in several paid editions, with no free edition and no stated native DWG focus.
Similar software
Related functionality, not a direct replacement.
LibreCAD
A 2D CAD program for DXF and DWG drawings, built from the free edition of QCAD.
QCAD
A 2D CAD program for technical drawings: floor plans, mechanical parts, schematics and diagrams, with DXF and DWG in and out.
Drawboard PDF
A pen-friendly PDF markup app with live-synced annotations across desktop, mobile and web.
Mayo
An open-source 3D CAD viewer and converter for STEP, IGES, STL and other formats.