Adobe® Reader®
– Adobe's freeware PDF reader.
Brava!® Reader
– freeware PDF reader. Can also view TIFF, XPS and CSF files.
Cool PDF Reader
– small freeware PDF reader. Can convert PDF to TXT, BMP,
JPG, GIF, PNG, WMF, EMF or EPS. (Copyright © 2011 CoolPDF Software,
Inc.)
DigiSigner
– freeware PDF viewer with additional function to digitally sign PDF
documents. (Copyright © 2011 digisigner.com)
eXPert
PDF Reader – freeware PDF reader. (Copyright
© 1999, 2011 Visagesoft. All rights reserved.)
Foxit® Reader – freeware reader, supports FDF import/export, saving filled forms; other extended functionality available via purchasable plugins.
Nitro PDF Reader – free, proprietary PDF reader and creator. Supports PDF creation, saving filled forms (AcroForms), text typewriter, markup/collaboration, and stamp signature. (Copyright © 2011 Nitro PDF, Inc., Nitro PDF Pty Ltd.)
Nuance PDF Reader – freeware PDF reader, supports saving filled forms, partial support for XFA forms; enables the capability to convert PDF files to MS Word or Excel files through Nuance website. (Copyright © 2002-2011 Nuance Communications, Inc. All rights reserved.)
PDF-XChange
Viewer – freeware viewer, supports FDF/XFDF import/export,
saving filled forms, extended markup and export to image capabilities.
(Copyright © 1997-2011 Tracker Software Products.)
Perfect PDF 6 Reader – free PDF reader. Can export pages and save them as BMP, GIF, JPEG, PNG or Metafile. (Copyright © 1995-2010 soft Xpansion GmbH & Co. KG.)
Sorax Reader – free PDF reader. (Copyright © 2006-2011, Sorax Software.)
Qiqqa – freeware PDF reader, indexer, tagger and annotator. Supports OCR and export of PDF text and images. (Copyright © 2011. 0.0.0.61 Qiqqa. All Rights Reserved.)
Sumatra PDF – a free (GPL), open source PDF reader. Supports automatic reloading of PDF files.