Apps similar to Bookworm (by Blind Pandas Team) include SumatraPDF, which is free and open source. Other options are Okular, Foxit PDF Reader, PDFgear and PDF-XChange Editor. PDF Readers like Bookworm (by Blind Pandas Team) are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, Android and iPhone.
With GoodReader on your iPhone, iPod Touch or iPad, you can read virtually anything, anywhere. Books, movies, maps, pictures; GoodReader puts it all in a single app, right in your pocket.
Japan
Blazing fast PDF and portable eReader built on muPDF. Including the ability to save "highlights" and notes like on Kindle.
United States
qpdfview is a Qt-based tabbed document viewer using the Poppler library for PDF rendering and CUPS for printing. Support for the DjVu and PostScript formats can be added via plugins.
Germany
EU
Atril is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DJVU, DVI, XPS and Portable Document Format (PDF) files. When supported by the document, it also allows searching for text, copying text to the clipboard...
Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:
Russia
Zathura is a highly customizable and functional document viewer. It provides a minimalistic and space saving interface as well as an easy usage that mainly focuses on keyboard interaction.
GermanyEU
Besides exceptionally fast launching and displaying speed, Gaaiho Reader is reliable in printing, filling forms annotating documents and adding bookmarks.
Taiwan
Supercharge your paper reading: follow references, skim outline, jump to figures, cite and save.
United States
In version 8, Google Chrome introduced a free PDF viewer, installed by default. While this plug-in lacks many features of the Adobe Acrobat Plug-in, it is much faster and lighter, and updates with the browser rather than an external utility.
United States
Cloud PDF toolkit provides over 20 tools for editing, conversion, OCR, merge, split, annotation, batch processing, and signatures, with free online access, cross-platform usability, no watermarks, no size limits, and options for mobile and desktop integration.
Hong Kong SAR China
EBookDroid is an open source (GPL'ed) document viewer for Android based on the VuDroid code base.
Russia
