CADintosh Alternatives

CADintosh

Single window interface (quick access to all features without any additional tool windows)
Retina display support
The number of elements is only limited by your available memory
Pre-settings are saved for each drawing
8 pens with freely definable line widths and line colors
6 line types: full line, dotted line, chain line, dotted line with two dots,
zigzag line, short dotted line
Support for groups and layers
32,000 groups | 1,024 layers | simple layer management
Import and export of DXF, HPGL, IGES and PDF
Support for symbol libraries for the import and export of symbols
Alternative units, e.g. for inches
Runs natively in Mac OS X