PDF-XChange Editor is has a boatload of features, for creating, editing, annotating, and securing PDF documents. The fully functional free versions offer plenty for many users, but you’ll have to pay ...

PDF-XChange Editor is a comprehensive PDF editor that allows you to create, view, edit, annotate, and digitally sign PDF documents with ease. With advanced features like OCR, document security, and ...

Tracker's PDF-XChange Pro 2012 ($74) bundles a number of PDF-XChange apps that together attempt to create a suite comparable to the $449 , just for much less money. According to Tracker, PDF-XChange ...

A free PDF viewer that can easily add comments / text / images as PDF files to annotate "PDF-XChange Viewer"is. The operation is fast, the tab function is installed, OCR analysis is also possible, and ...

The best free PDF reader apps do more than just act as a PDF viewer - any modern browser can do that. What I'm looking for is tools that go beyond that, offering commenting, collaboration, and ...