Starting with BlueCAD 2.0 the product is win32 only.  They have
graciously made the latest 1.0 version available as a free download.

You can download for free last BlueCAD 1.0 version, for Windows and for
OS/2, in all available languages.  No technical support is available for
this BlueCAD version.


"BlueCAD is the CAD solution which gives you powerful drafting tools fully
exploiting the Windows and OS/2 Warp's best features.

BlueCAD was conceived and developed specifically for professional users
and students: due to its flexibility, speed, facility and low price, it is
ideal for mechanical and architectural planning, for producing technical
documentation and as a tool for office automation. BlueCAD can dialog,
integrating itself, with desktop publishing, word processing and painting
products, therefore it is a necessary tool for personal productivity.

Drawing with BlueCAD is very easy. Due to its intuitive user interface you
will be familiar with BlueCAD very quickly. The use of contextual menus
and drag&drop tecniques enable the inexperienced user to also be
immediately productive. If you need some information about a BlueCAD
command, a complete on-line contextual help system is always available to
give you support. Furthermore, if you would like to add new features to
the program expanding its functions, it is possible to create new commands
using the C/C++ (Windows) or REXX (OS/2) programming language: BlueCAD's
macro interface enables you to access all program's functions."