Citadel helps you manage your ebook libraries. It provides a simple, user-friendly interface to add new books to your library or update book metadata like titles, authors, and tags, all while remaining compatible with Calibre.


Bookworm is described as 'Read the books you love without having to worry about different format complexities like epub, pdf, mobi, cbr, etc' and is a Ebook Reader in the news & books category. There are more than 25 alternatives to Bookworm for a variety of platforms, including Linux, Android, Windows, Android Tablet and Flathub apps. The best Bookworm alternative is calibre, which is both free and Open Source. Other great apps like Bookworm are Okular, KOReader, Readest and Foliate.
Citadel helps you manage your ebook libraries. It provides a simple, user-friendly interface to add new books to your library or update book metadata like titles, authors, and tags, all while remaining compatible with Calibre.


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


Cool Reader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. Understands a number of text document formats, suppurt OPDS (in new ui-opengl version). Fully customizable palette, text reformatting with any font size, font...




EPUBReader is a Firefox and Chrome addon which lets you read ePub-files just in the browser. You don't need to install additional software!




Supercharge your paper reading: follow references, skim outline, jump to figures, cite and save.




eBooks.com's Ebook Reader lets you read your favorite books on the go. Choose from a massive collection of popular books that you can download in a jiffy.




Xreader is a document viewer capable of displaying multiple and single page document formats like PDF and Postscript.
An ebook reader and library management app supporting ".epub" files. Arianna discovers your books automatically, and sorts them by categories, genres and authors.




Read e-books in the EPUB file format, and organize and browse catalogs in the OPDS format. Lucidor depends on Pale Moon being installed.








Books is a simple application to access and organize your e-books on GNOME. It is meant to be a simple and elegant replacement for using a file manager to deal with e-books. It's included in the default set of core applications since GNOME 3.16.



