A free, open-source viewer for Windows, supports PDFs, eBooks, Comics, with a simple, fast, and portable design prioritized for ease of use.




A free, open-source viewer for Windows, supports PDFs, eBooks, Comics, with a simple, fast, and portable design prioritized for ease of use.




Multi-platform document viewer supporting PDF, comics, EPUB, images, and Markdown with annotation tools, sidebar navigation, and text-to-speech features.




Free, lightweight PDF viewer available on multiple platforms. Features include annotation, form-filling, signing, cloud integration, and more.




Handwritten notes and PDF annotation app with pen input, shape drawing, customizable toolbar, image insertion, audio recording, and multi-platform support.




Highly versatile PDF and XPS solution offering customizable rendering and viewing with features like digital signatures, redactions, and annotations.




Readest is a modern, feature-rich ebook reader designed for avid readers offering seamless cross-platform access, powerful tools, and an intuitive interface to elevate your reading experience.




Read, edit, convert, merge, and sign PDF files across devices, for completely free and without signing up.




Koodo Reader is an all-in-one e-book reader that can help you better manage and study your e-books. It's free and open-source.




View, annotate, and collaborate on PDFs, utilize cloud storage and freehand tools. Upgrade for editing and converting to other formats.




The Quick Look feature from Mac OS X, which allows users to preview file contents quickly by pressing the Space key, is missed. Windows doesn't have this feature. While alternatives like WinQuickLook and Seer exist, the decision was made to create a new version because the...




PDF-XChange Viewer is an alternative viewer for PDF files that enables you to view and annotate PDF files. You can add text, sticky notes, and other annotations and save them to the file, which will be compatible with the standard Adobe Acrobat Reader.

Qiqqa is a free research and reference manager. Search for, read and annotate your PDFs. Then review your work, write up and create bibliographies instantly.




Create and edit PDFs. Collaborate with ease. E-sign documents and collect signatures. Get everything done in one app, wherever you work. Acrobat’s got it. Stay on top of your documents with powerful features for desktop, mobile, and web.




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...




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




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.




Thorium Reader is a free, open source multi-language EPUB reader for Windows 10, MacOS and Linux. It's privacy aware and highly accessible for visually impaired and dyslexic people.



All-in-one tool for editing, OCR, annotating, signing, converting, and redacting PDFs, featuring AI-powered document analysis and cross-device workflow support.




Feature-rich reader supporting EPUB, MOBI, FB2, PDF, with note taking, highlighting, translation, bookmarks, library management, and reading progress tracking.



Provides comprehensive PDF editing with eSign, OCR, and cloud integration, accessible on desktop and mobile, trusted by millions globally.




The top AEC PDF app to markup and manage drawings and documents. Ideal for replacing pen and paper, avoid printing documents again by using our intuitive feature set that makes marking up a PDF easy. Open or create a new PDF, markup using our extensive array of tools, then save...




Tritium is a desktop word processor built for transactional lawyers. Draft, review, and compare legal documents faster with real-time clause annotations, minimal redlines, and AI integrations - free for personal use.



Open-source PDF viewer/editor using Qt framework with C++ library, multithreading, hardware rendering, encryption, text layout, and form tools.


Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:




LiquidText offers a fast, natural way to review, gather, and organize information across all your docs: then apply the results to writing reports or simply studying. Pull out key facts and connect them together



