The 2.0.3 version of AutoCAD WS for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this free Mac application is Autodesk Inc.
AutoCAD WS for Mac is categorized as Design & Photo Tools. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The latest version of the application is supported on Mac OS X 10.6 or later. The most popular versions among the application users are 2.0, 1.4 and 1.0.
From the developer:
View, edit and share your design files with AutoCAD® WS for Mac® app.
AutoCAD® WS for Mac® is a simple and free* CAD application that enables you to view and edit DWG™ and DXF™ files. Like the popular AutoCAD WS mobile app, AutoCAD WS for Mac app offers a basic, intuitive set of viewing, editing, and markup tools to work on your designs.
You may want to check out more Mac applications, such as AutoCAD LT 2013, AutoCAD or AutoCAD 2013, which might be related to AutoCAD WS.