Cost / License
- Freemium (Subscription)
- Proprietary
Application types
Platforms
- Online
- Android
- iPhone
- iPad



Okular is described as 'Multi-platform document viewer supporting PDF, comics, EPUB, images, and Markdown with annotation tools, sidebar navigation, and text-to-speech features' and is a very popular PDF Reader in the office & productivity category. There are more than 100 alternatives to Okular for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Okular alternative is SumatraPDF, which is both free and Open Source. Other great apps like Okular are Foxit PDF Reader, Evince, LibreOffice - Draw and MuPDF.



Comprehensive PDF tool for viewing, editing, annotations, and conversion between formats like Word, Excel, or PPT. Features include encryption, redaction, and fast batch processing.




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...






AI powered productivity tool for reading, understanding and taking notes on PDFs and long websites. Users can search, summarise, extract and define keywords, ask google-search type questions and be taken straight to the answers.




Redact & Annotate images. Hide or mark up essential parts of your image by simply clicking and dragging on it.


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.

Sonic PDF is your go-to PDF editor for Windows, offering intuitive tools for document processing.




Bookworm is a document reader that allows you to read more than 15 document formats including PDF, EPUB, and MOBI using a versatile, yet simple, and highly accessible interface.

modern computer flatboat is a mobile pdf viewer written in Qt and using MuPDF's libfitz.

An ebook reader and library management app supporting ".epub" files. Arianna discovers your books automatically, and sorts them by categories, genres and authors.




Gyan Reader is an eBook Reader that supports epub 3 format and is also backward compatible. It is an advanced epub3 rendering engine for Android platform.


