Papers is described as 'A document viewer for the GNOME desktop. You can view, search or annotate documents in many different formats' and is a PDF Reader in the news & books category. There are more than 50 alternatives to Papers for a variety of platforms, including Windows, Linux, Mac, Android and Web-based apps. The best Papers alternative is SumatraPDF, which is both free and Open Source. Other great apps like Papers are Okular, Foxit PDF Reader, KOReader and Evince.
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
DocInspector is a professional, offline-first document processing and privacy-auditing application designed for legal, financial, and corporate teams. It enables users to clean, repair, and bundle large volumes of documents locally without relying on cloud services.
Moldova
a web-based platform that allows you to perform various operations on PDF files, such as conversion, merging, splitting, and more. It works by allowing you to upload your files, select the desired operation, and then download the processed file.
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.
Germany
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A privacy-first, client-side PDF editor that runs in your browser. Edit, annotate, merge/split, compress to target sizes, OCR scanned PDFs, and convert files—no signup, no watermark.
Pakistan
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
A simple PDF document viewer, in the lines of Evince but without using the Gnome libraries. ePDFView is a free lightweight PDF document viewer using Poppler and GTK+ libraries.
Comic Book Reader is the viewer you need to enjoy all your electronic publication. It is available both as Desktop and Windows 8 Metro UI for PC and tablets.
The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.
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