PDF Annotator!

Qiqqa is free award-winning knowledge-, research- and reference management software. If you're serious about getting the most from managing your publications, PDFs and bibliographies, Qiqqa is for you.

The smallest, fastest, most feature-rich PDF editor/viewer available

The application allows you to directly open and read PDF files that have been saved to your media card – without the need for server-side conversion, services or subscriptions.

Book and Document Reader with PDF and DjVu support for comfortable reading.If you are looking for a good PDF reader, stop here, you have found it.It does what you expect it to do. You can easily lay down and read PDF books and documents with this app. The amazing enhancement dims your screen in some way that it doesn't hurt your eyes. Easy to set and keep scrolling. The best functional from all readers.

Bluebeam Revu combines powerful PDF editing, markup and collaboration technology with reliable file creation. Push the limits of project communication with one of Revu's three editions: Standard, CAD and eXtreme.

PDF Assistant PRO gives you the ability to work with any pdf files. Thanks to a simple and user-friendly design, everyone can understand how to work with it. In addition, it provides ample opportunities for the user, such as: