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 ...

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 ...

This well-designed and easy-to-use free PDF viewer lets you mark up and create PDFs. Adobe’s popular PDF format makes files look great and Adobe’s free Reader lets everyone look at the files for free.