

PDF-XChange Viewer is described as 'Alternative viewer for PDF files that enables you to view and annotate PDF files. You can add text, sticky notes, and other annotations and save them to the file, which will be compatible with the standard Adobe Acrobat Reader' and is a very popular PDF Reader in the office & productivity category. There are more than 50 alternatives to PDF-XChange Viewer for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best PDF-XChange Viewer alternative is SumatraPDF, which is both free and Open Source. Other great apps like PDF-XChange Viewer are Okular, Foxit PDF Reader, PDF-XChange Editor and MuPDF.


Besides exceptionally fast launching and displaying speed, Gaaiho Reader is reliable in printing, filling forms annotating documents and adding bookmarks.




ezPDF Reader is a PDF viewer with some powerful features such as TTS (Text-to-Speech), annotations and PDF forms.



Open-source PDF viewer and editor using Qt framework, featuring hardware-accelerated rendering, encryption, multithreading, text-to-speech, annotation tools, form filling, high-res monitor support, document compression, audio book conversion, and signature validation.


Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:




Xpdf is a free PDF viewer and toolkit, including a text extractor, image converter, HTML converter, and more. Most of the tools are available as open source.

PDF Professional is a feature-rich PDF solution for reading, annotating, form-filling, editing, signing, converting PDFs on your Mac, iPhone and iPad.





PDF Connect Suite is a full-featured PDF document system that transforms your Mac into a powerful PDF Office. PDF Connect Suite serves as your one-stop shop for your PDF document needs, as it provides a complete array of functions to help annotate, view, bookmark, share, and...









TagNotate is a PDF viewer and annotator with the unique ability to assign tags to annotations - you can create as many different tags as you want, allowing you to associate with each annotation whatever kinds of information are important for you.



