LibreCAD is a clean, free alternative for 2D CAD drafting
LibreCAD is a completely free, open-source 2D CAD application that offers a mature alternative to expensive commercial software like AutoCAD. The software supports over 30 languages, uses AutoCAD's DXF file format, and provides a familiar interface for users experienced with commercial CAD programs, making it suitable for professional 2D drafting work without licensing fees.