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GstarCAD vs progeCAD Professional: catalog facts
GstarCAD	progeCAD Professional
Best for: Drafters and engineers who work with DWG drawings	Best for: Drafters who want AutoCAD-compatible CAD without a subscription
Paid Paid licence, with a 30-day free trial.	Paid Perpetual licence with no annual fee, plus a 30-day free trial.
Windows	Windows
Works directly in the .dwg file format Covers both 2D drafting and 3D design All 4 strengths for GstarCAD Works directly in the .dwg file format Covers both 2D drafting and 3D design Industry editions for mechanical and architectural work Related viewer, cloud and BIM products from the same developer	Perpetual licence instead of a subscription Familiar AutoCAD-style DWG workflow All 3 strengths for progeCAD Professional Perpetual licence instead of a subscription Familiar AutoCAD-style DWG workflow Imports Revit, IFC, STEP and PDF files
Paid software after the 30-day trial Specialised editions are separate products	Windows only; Mac users need the separate iCADMac product Paid after the 30-day trial
Downloadable app	Downloadable app
Not open source	Not open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for GstarCAD gstarcad.net Catalog checked September 24, 2026	Official website Full listing and sources Sources for progeCAD Professional progesoft.com Catalog checked September 24, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.