Top 10 Online eBook Organizers

LibraryThing is free cataloging and social networking site for book lovers. LibraryThing allows to create online catalog of books and access it from anywhere - even on your mobile phone. You can upload own books and parse metadata from Amazon, track your reading progress, rate and review books. Because everyone catalogs together, LibraryThing also connects people with the same books, comes up with suggestions for what to read next. You can check out other peoples' libraries, see whose library is most similar to yours, swap reading suggestions, and more. You can also turn your library into a real online catalog for visitors. Available in over 50 languages.

StoryGraph is an online platform for book lovers, positioned as an Amazon-free alternative to Goodreads (you can import your data from Goodreads). Storygraph helps to track your reading habits and statistics, choose your next book, organize your library by tags and share curated lists with friends. Built-in artificial intelligence understands your reading preferences and selects the next best book for you. You can also use a flexible filter system and read reviews to choose the perfect book. After reading, you can share your impressions with other users and participate in polls inside various book clubs. StoryGraph provides a mobile app for iOS and Android.

Web service plus mobile app for managing personal book library. Allows to quickly add books via ISBN barcode scanning, choose which columns/fields you wish to see, browse your book database in cover flow, detect duplicates, keep your wish list, share book lists online. The app automatically downloads book information from CLZ's own huge online book database by ISBN: author, title, publisher, genre, subject and cover. But you can't keep actual book files in it. Both CLZ Books Mobile and CLZ Books Web can be used separately or synced via CLZ Cloud service.

Cloud-based library management service that lets you upload and organize your ebooks, regardless of format. The built-in ebook reader lets you read and sync bookmarks, notes and highlights across all your devices (browser or mobile app). You can save quotes from books and share the most interesting moments from your ebook with friends on Facebook, Twitter and other social networks, browse recommendations from other users, bookshelves and reviews. BookFusion's plugin for Calibre lets you sync both databases. BookFusion also offers its own online library of over 70,000 free ebooks.

Cloud cataloging service that allows you to store books, board games, movies, music and video games in a single library (doesn't let to upload and store files). It's suitable for libraries, schools, organizations, and home personal catalogs. It allows you to create mixed collections, add notes, and share your collections. It offers mobile apps with automatic synchronization and an ISBN/UPC barcode scanner. Libraries can use features such as book lending, reader management, custom fields, barcode management, an online library website, report generation, SSO integration (Google, Classlink, Clever, Microsoft), and invoicing.

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+).

BookLore is a self-hosted web app (requires Docker and Docker Compose installed) for organizing and managing your personal book collection. It provides an intuitive interface to browse, read, and track your progress across PDFs and eBooks. With robust metadata management, multi-user support, and a sleek, modern UI, BookLore makes it easy to build and explore your personal library.

Cloud-based eBook manager that allows users to create a personalized online library, accessible from any device. It offers a simple interface, organization features for sorting and tagging books and AI integration for additional information. Provides free open-source version

Self-hosted open-source audiobook and podcast server. Includes companion Android and iOS app for offline listening. Keeps progress per user and syncs across devices. Multi-user support with custom permissions

​VitalSource Bookshelf is the preferred and most used e-textbook delivery platform in the world of higher education. It lets you access your books from the the desktop application, mobile app (iPhone) or online. You can add highlights and notes to your content and search through them as well as the content of your eBooks.

Whether you’re an author looking to launch your next book or an educational institution looking to improve student success, Pressbooks can help you easily create, adapt, and share accessible high-quality digital books, learning materials, curriculum and more.

Jellyfin is a free media server that puts you in control of your media. Stream to any device from your own server, with no strings attached. Run the Jellyfin server on your system read your books, comics, and magazines.

Booksonic is an open-source selfhosted server and Android client aimed at audiobooks.

Manifold is a free open-source platform for publishing academic or school libraries on the web. You can add nearly anything: video, audio, images, downloads, data visualizations, PDFs, external links, and more. Authors and readers can annotate texts and comment on resources. Students and instructors can form reading groups to annotate collaboratively.

Web application for archival and reading of manga/doujinshi. Lightweight and Docker-ready for NAS/servers.

Docker-system that allows you to search and download ebooks from irc.irchighway.net quickly and easily.

Readarr is a ebook collection manager for Usenet and BitTorrent users. It can monitor multiple RSS feeds for new books from your favorite authors. Readarr project has been retired but the code is still available.