Okular Alternatives for Linux

Foxit Reader is a robust and feature-rich PDF reader and editor that provides users with a comprehensive set of tools for viewing, annotating, signing, and creating PDF documents. Known for its blend of performance and functionality, it caters to both casual users and professionals handling complex PDF workflows.

Calibre is a powerful and versatile open-source e-book management software that streamlines the organization, conversion, and reading of your digital book collection across various formats and devices.

Evince is a lightweight and versatile document viewer designed for various formats including PDF, PostScript, DjVu, TIFF, XPS, and DVI. It provides a clean and intuitive interface for easily accessing and navigating your documents.

FBReader is a versatile and free ebook reader application supporting multiple formats including ePub, Kindle azw3, and fb2. It offers a customizable reading experience across different platforms with features like library management, synchronization, and text-to-speech.

Firefox PDF Viewer (PDF.js) is an open-source, web standards-based PDF viewer embedded directly within the Firefox browser. It allows users to view PDF documents seamlessly without the need for external software or plugins, enhancing browser-based document handling and accessibility.

MuPDF is a lightweight, portable document rendering engine and viewer for PDF, XPS, and EPUB formats. Known for its speed and accurate rendering, it's ideal for integrating document display into various applications or for users seeking a minimalist, high-performance viewer.

PDF Studio is a powerful, all-in-one PDF editor for Windows, macOS, and Linux. It provides comprehensive tools for viewing, creating, editing, securing, and reviewing PDF documents, serving professionals and individuals alike with robust features for managing their digital documents efficiently.

qpdfview is a lightweight, tabbed document viewer based on Qt. It supports PDF, DjVu, PostScript, and other document formats, offering features like annotation, form filling, and a clean, customizable interface for efficient document management.

EPUBReader is a lightweight and efficient browser extension that allows users to open and read EPUB e-books directly within their web browser. It provides a simple and intuitive reading experience without requiring external software.

Zathura is a highly customizable and efficient document viewer based on the Poppler rendering engine. It is designed with a minimal interface and focuses on keyboard-driven navigation, making it ideal for users who prefer a streamlined workflow and powerful keybindings.