Sioyek is a PDF viewer with minimal interface optimized for reading research papers and technical books.




LEKTRA is described as 'High-performance app for documents and images with split tabs, multiple layouts, side-by-side viewing, instant search, visual line mode, annotations, and customizable controls' and is a PDF Reader in the office & productivity category. There are more than 25 alternatives to LEKTRA for a variety of platforms, including Windows, Android, Linux, Mac and Android Tablet apps. The best LEKTRA alternative is SumatraPDF, which is both free and Open Source. Other great apps like LEKTRA are Okular, Evince, KOReader and MuPDF.
Sioyek is a PDF viewer with minimal interface optimized for reading research papers and technical books.




Lightning fast with a slick design, Kavita is a rocket-fueled self-hosted digital library which supports a vast array of file formats. Install to start reading and share your server with your friends. book reader, self hosted, manga, comics, free, manhwa, e readers, electronic...




Xodo is the ultimate cross-platform PDF viewer and annotator. Powerful, fast, and optimized for all phones and tablets, Xodo makes it easy to access, edit, share, sync, manage, sign, and more.




Native macOS app for viewing, annotating, and editing images and PDFs, featuring tools for cropping, rotating, resizing images, rearranging pages, full-screen viewing, markup, document merging, batch conversion, and export in multiple formats.




Discover uRead, your ultimate companion for reading and listening! Whether you’re a casual reader or a book enthusiast, uRead transforms your experience with advanced features and a user-friendly design.




PDF viewer for macOS supports scientific papers, annotations, highlights, bookmarks, split view, exporting notes, AppleScript, multiple annotation types, bibliography integration, full-screen, search, and compatibility with various macOS versions.

A document viewer for the GNOME desktop. You can view, search or annotate documents in many different formats.


Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions.




Read, annotate, and highlight PDFs, fill interactive forms with saved input, underline or strike through text, manage bookmarks, sync files from cloud services, and share documents. Compatible with Preview and Adobe Acrobat annotations, supporting extensive iOS features.




WinDjView is a fast, compact and powerful DjVu viewer for Windows with tabbed interface, continuous scrolling and advanced printing options. It uses the free DjVuLibre library to decode DjVu documents. DjVu is a web-centric format and software platform for distributing documents...

Comprehensive solution for editing, signing, form filling, OCR scanning, commenting, converting, and redacting PDFs, with AI-driven analysis and content extraction, data export to spreadsheets, text-to-speech, seamless use across desktop and mobile, and batch processing.




Reads EPUB, MOBI, FB2, and PDF files, manages digital libraries, tracks reading progress, allows notes, highlights, bookmarks, text translation, online search, night mode, full-screen, customizable layouts, text-to-speech, and displays ebook metadata.


