It's a powerful PDF viewing application with a lot of features and options.
A PDF reader and converter aimed to replace Adobe Reader and similar tools.
This is a tool that converts DjVu, TIFF, and DCX files to PDF format.
Highlight Text 
Add Bookmark 
Zoom Capabilities 
Edit Image 
Rotate Page 
Search Text 
EPUB File and TOC 
DjVu Document 
Main Interface 
Reading an Article 
Main Window 
Product Website 
S&T Search 
S&T Thumbnails 
Main Window 
