Apps similar to Papers include SumatraPDF, which is free and open source. Other options are Okular, Foxit PDF Reader, KOReader and Koodo Reader. PDF Readers like Papers are a crowded field, with more than 50 alternatives for Windows, Linux, Mac, Android and the web.
An ebook reader and library management app supporting ".epub" files. Arianna discovers your books automatically, and sorts them by categories, genres and authors.
Germany
EU
Simple macOS PDF reader with ChatGPT integrated. You can chat with your local PDF. The returned response can cite the page number to ensure correctness.
Read, edit, annotate, and sign PDF documents with built-in AI features like summarize and translate, OCR in 50+ languages, fill forms, export to major formats offline, apply watermarks, compress files, secure with passwords, and use text-to-speech on all major platforms.
Taiwan
India
PDF Viewer Pro is a fast and beautiful app, allowing you to view, search, and annotate PDF documents with ease on your iPhone and iPad.
AustriaEU
Edit your PDF files quickly and intuitively. Open, edit, save or convert PDF files with PDFTool – it’s up to you.
Read the books you love without having to worry about different format complexities like epub, pdf, mobi, cbr, etc.
India
Cloud-based PDF viewer and annotation tool for your browser. Perfect for Chromebook 1:1 schools. View, export, print and share your PDF files straight from your browser. Kami works on all browsers and works best with Google Chrome.
PDF X is a productive PDF reader & editor for Windows. It's powerful for users to view, print, edit, and annotate Adobe Acrobat PDFs.
Canada
Xreader is a document viewer capable of displaying multiple and single page document formats like PDF and Postscript.
DinoReader is built on the FBReader reading engine, but includes features not currently available in the mainstream app:
United Kingdom
Pakistan
New Zealand
Ireland
