Free & Open-Source AutoCAD Alternatives

2D/3D CAD for architecture and engineering.

1. LibreCAD ↗ FOSSPRIVATE
   2D CAD drawing for technical drafting.
   ●●●Hard · Covers most basics
2. FreeCAD ↗ ★ PICKFOSSPRIVATE
   Parametric 3D CAD for engineering and architecture.
   ●●●Hard · Open-source license
3. QCAD ↗ FOSSPRIVATE
   2D CAD with community + commercial editions.
   ●●●Hard · Covers most basics