A free, open-source viewer for Windows, supports PDFs, eBooks, Comics, with a simple, fast, and portable design prioritized for ease of use.
- PDF Reader
- Free • Open Source
- Windows
+3Free e-book manager offering library management, multi-format conversion, syncing to devices, news download as e-books, built-in viewer, editor, and privacy.
- Ebook Reader
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Self-Hosted
- Flathub
- PortableApps.com
- Homebrew
+4Multi-platform document viewer supporting PDF, comics, EPUB, images, and Markdown with annotation tools, sidebar navigation, and text-to-speech features.
- PDF Reader
- Free • Open Source
- Windows
- Linux
- BSD
- KDE Plasma
- Snapcraft
- Linux Mobile
- Flathub
- Haiku
+2Zotero is a free, easy-to-use tool to help you collect, organize, share research and cite your research sources directly in your favourite word processor, with 300 MB free online storage.
- Research Manager
- Freemium • Open Source
- Mac
- Windows
- Linux
- iPhone
- iPad
- Microsoft Edge
- Google Chrome
- Safari
- Microsoft Word
- Google Docs
- LibreOffice
- Mozilla Firefox
+2Mihon is an open-source Tachiyomi successor manga reader for Android 8.0 and above.
- Comic and Manga Reader
- Free • Open Source
- Android
Librera Reader is a highly customizable and feature-rich application for reading books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR formats on Android devices.
- PDF Reader
- Freemium • Open Source
- Android
- Android Tablet
- F-Droid
+7Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos (including raw photos from DSLR cameras) and all sorts of other files.
- Note-taking Tool
- Freemium • Open Source
- Online
- Software as a Service (SaaS)
+15An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Kindle, Kobo, PocketBook, Linux and Android devices.
- Ebook Reader
- Free • Open Source
- Linux
- Android
- AppImageHub
- Kobo
- PocketBook Reader
- Flathub
- F-Droid
- Kindle Fire
Material3 eBook reader - Book's Story. Built with Jetpack Compose. Free & Open Source & Ad Free. 4 supported file formats (.txt, .pdf, .epub, .fb2), 2 supported languages. Lots of customization.
- Ebook Reader
- Free • Open Source
- Android
- F-Droid
+4A simple and modern eBook viewer for Linux desktops.
- Ebook Reader
- Free • Open Source
- Linux
- BSD
- Snapcraft
- Flathub
+3Openlib is an open source app to download and read books from shadow library (Anna’s Archive). The App Has Built In Reader to Read Books.
- PDF Reader
- Free • Open Source
- Android
- F-Droid
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.
- Ebook Reader
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Flathub
+2Discover 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.
- Ebook Reader
- Freemium • Open Source
- Android
- Android Tablet
+5Storyteller is a self-hosted platform for creating and reading ebooks with synced narration. It's made of three components: the API server, the web interface, and the mobile apps. Together, these components allow you to take audiobooks and ebooks that you already own and...
- Ebook Reader
- Free • Open Source
- iPhone
- Self-Hosted
- Docker
- Android