Acme CAD Converter is an excellent, all-around CAD drawing files manager from China, which can perform operations like viewing, printing, converting, repairing, packaging, transforming, replacing fonts to CAD files in batch. It comes with a similar UI with the well-known ACDSee - powerful but easy-to-use.

For any PDF solutions that want to grab the market share from Adobe Acrobat, it has to start from the availability and usability. In this case, the performance of Bluebeam Revu makes users' eyes bright at the moment.