Alternative PDF viewer

A friend advised me on a pdf viewer with extended commenting capabilities, a bit like the original Adobe solution, but for free:

 http://www.tracker-software.com/product/pdf-xchange-viewer

This company also offers non-free pro features, last time I checked single license was 74 $ which is an excellent price compared to Adobe Solutions (more than 800$), honestly it may not be a fair comparison since I did not check if both solution are comparable in term of features and capabilities.

Alternative pdf readers

Many Internet pages nowadays advise there users to get Adobe pdf Reader before downloading a given .pdf document. Although there are a few alternative solution to the Adobe Software:

Readers Windows MacOSX Free Operating Systems [1] BePDF - - Download ePDFView - - Download Evince Download - Download gv - - Download MuPDF Download Download Download Okular Download Download Download Sumatra PDF Download - - Vindaloo - Download - Xpdf - Download Download Zathura - - Download

source: http://www.pdfreaders.org