Here are a few options for "good text" regarding a DWG Viewer Portable, categorized by where you intend to use the text (e.g., a download site, a software description, or a quick headline).
Based on professional performance and ease of use, these are the leading portable options: dwg viewer portable top
I tested with three sample files:
Have a favorite portable DWG viewer we missed? Let us know in the comments below! Here are a few options for "good text"