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.
Main Interface 
DjVu Document 
EPUB File and TOC 
Search Text 
Rotate Page 
Edit Image 
Zoom Capabilities 
Add Bookmark 
Highlight Text 
Product Website 
Main Window 
Reading an Article 
Main Window 
S&T Thumbnails 
S&T Search 
