Free alternatives to AutoCAD

Autodesk's 2D and 3D drafting software, including AutoCAD LT. Here are 2 free options, most popular first.

LibreCAD

2D drafting

Open-source 2D CAD application

Stars
★ 6.5k
Licence
GPL-2.0
Updated

Alternative to AutoCAD

QCAD

2D drafting

Free, open-source 2D CAD for technical drawings

Stars
★ 1.9k
Licence
GPL-3.0
Updated

Alternative to AutoCAD

Check file compatibility before switching. Free tools import STEP, DXF and other neutral formats well, but native SolidWorks, Altium or Revit files, drawing standards and PDM workflows may not carry over cleanly.