Librum

Cross-platform ebook reader with cloud library sync, note-taking, and 70,000 free books.

Desktopfree

Librum is a free, open-source ebook reader that manages a personal online library synced across desktop platforms (with mobile in development), supporting PDF, EPUB, CBZ, FB2, MOBI, and more. It includes note-taking, highlighting, bookmarking, book metadata editing, and free access to over 70,000 books through an in-app bookstore, with an option to self-host the library server. It's for readers who want their books, notes, and progress kept in sync across every device.

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Problem & pain-point mapping
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