Top 10 eBook Organizers for Linux

Calibre is a free, open-source program (written in Python) for managing e-book libraries on Windows, Mac and Linux. It offers the most rich set of features, divided into the following main categories: library management, e-book conversion, synchronization with e-readers, downloading news from the internet and converting them to e-book formats, e-book viewer-reader, e-book editor and a content server for web access to your book collection. The program reorganizes book files into own structure. There are numerous plugins developed for the program by the community. However, many find the interface cluttered and unwieldy.

Kavita is a super-fast, self-hosted digital library that supports multiple file formats, including EPUB, PDF, comics and manga, with built-in readers (single-page, dual-page, and webtoon modes), OPDS and advanced metadata. It lets you use OIDC or built-in logins to manage users, highlight and create notes, share annotations with users on your server and export to Obsidian. You can choose interface themes, custom fonts for the EPUB reader and smart filters for the navigation/home screen. Kavita scans and analyzes metadata from filenames and ComicInfo.xml, adding external covers, descriptions, ratings and reviews (via Kavita+).

Lucidor is a simple tool for reading, managing and organizing your eBooks within your own personal bookcase. It supports ePub and OPDS catalog files. You can search for eBooks online and download them right into the application. A unique feature Lucidor has is the ability to have multiple eBooks open at one time. It does this via it’s tabbed interface, which is much like a Web browser. Lucidor even supports themes. There is also a search bar for finding specific keywords or phrases within your content.

BookONO is a free e-book manager and reader (PDFs and EPubs fully supported) designed as a compliment to Calibre. It is written in C++ using the Qt5 Toolkit. It is different from Calibre in that it makes a few different design decisions than Calibre, for instance it does not attempt to put all your books in its own library or change their names. Where Calibre attempts to take complete control over your books, BookONO gives you control over your books. BookONO further attempts to take a different direction in terms of its UI, providing a more user-friendly, aesthetically-pleasing experience than Calibre.

OpenAudible is a cross-platform audiobook manager designed for Audible users. Manage/Download all your audiobooks with this easy-to-use desktop application. Lightning fast conversion to MP3 and M4B audio formats. Access all Audible audiobooks across Mac, Windows, and Linux.

Ubooquity allows to organize and read your ebooks and comics on your favorite device, supports many types of files, with a preference for ePUB, CBZ, CBR and PDF files. Ubooquity can be installed on any OS supporting Java (Windows, Linux, Mac OS...) and on a wide range of hardware (desktop computer, server, NAS...). Ubooquity lets you create user accounts and set access rights for each shared folder.

Tellico is a software application for organizing your book collection. Tellico allows you to enter your collection in a catalogue database, saving many different properties like title, author, etc. Different views of your collection can be shown. The data is saved in XML, a text format which makes for easy parsing, portability, and styling. It will run on any platform which KDE supports, most commonly Linux. Tellico is licensed under the GNU General Public License, giving you the freedom to modify and distribute the source code.

YACReader is a comic reader and comic manager with support for cbr cbz zip rar comic files. It is available for Windows, Linux, Mac OS X.

LazyLibrarian is a free open-source Linux / Mac OS program for ebooks, audiobooks and magazines that allows to follow authors and retrieve book metadata. It uses a combination of Goodreads Librarything HardCover OpenLibrary and GoogleBooks as sources for author info and book info.

A free and open source manga reading server that runs extensions built for Mihon (Tachiyomi). Any platform that runs java and/or has a modern browser can run it. This includes Windows, Linux, macOS, chrome OS, etc.

Library management program for Windows/Mac/Linux with mobile apps for iOS and Android. It allows to enter a list of ISBNs, LCCNs or scanned barcodes, then automatically searches the internet and downloads book information, including cover images. The program can combine information from multiple websites to create the most comprehensive database. The built-in search allows to filter books by Author, Title, ISBN and Category. Search results are displayed in an easy-to-read, customizable table, tree or thumbnail view. You can easily manage your database, categorize your collection, assign ratings and add custom database fields. Readerware includes built-in book lending tracker to register book issues and returns, search and print list of books currently on loan and expired. The program discontinued.

Kapowarr is a software to build and manage a comic book library, fitting in the *arr suite of software. You can add volumes, map them to a folder and start managing. Allows to download, rename, move and convert issues of the volume (including TPB's, One Shots, Hard Covers and more). Installing Kapowarr can be done via Docker or on top of Python.

Buka is a free, open-source book management system in its relatively early stages of development. It features a simplified interface with controls that become visible only on hover and are easy to navigate. Buka allows you to create searchable book lists, as well as display them by author. Books open in an interface reminiscent of Okular, the common KDE document viewer (dark theme is available). A particularly interesting feature is the built-in translator, which works offline. Buka currently only supports PDF books.