Viewplot is a CAD Viewer/Translator and Editor in one
EditBy: Translate your CAD data in seconds, as standalone tool or integrated within existing CAD processes. Viewplot allows you to inspect various CAD formats, take measurements and manipulate data.
Create high resolution PDF documentation within the graphical user interface or in Batch mode.

It is the most complete and inexpensive tool available on the market !
The Viewer is absolutely free and include the same functionality as the licensed version.
you can free download Viewplot 1.5 now.