Adobe Reader - Adobe Acrobat Reader is a free tool for viewing documents that have been stored in Adobe's Portable Document Format (PDF).
Kdan PDF Reader - The All-in-One Document Expert Designed for the Increasingly-mobile Workplace.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
iText - iText is an intuitive and refined text editor with word processing completely rewritten in Cocoa...
CutePDF - CutePDF is a simple but entirely powerful PDF files creator, converter, and virtual printer.
MuPDF - MuPDF is a lightweight PDF and XPS viewer.