Completely free, open-source 2D CAD. Less powerful than AutoCAD but lightweight and safe. Runs on Windows, Mac, Linux.
Dassault Systèmes’ DraftSight has a classic AutoCAD-like interface and can open/save DWG files back to the 2013 format. The free version is sufficient for most 2D drafting.
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Even if the file scans clean on VirusTotal today, tomorrow it could phone home to a malicious server.
Uses DirectX (D3D) for both 2D and 3D output, ensuring reliable performance even on older workstation-class hardware. System Requirements
Fusion 350 is more than a 2D CAD tool – it includes 3D modeling, CAM, and simulation. Autodesk offers a for hobbyists and non-commercial users.