There are many alternatives to calibre for Mac if you are looking for a replacement. The best Mac alternative is Readest, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to calibre and many of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to calibre are Koodo Reader, Sigil, Kavita and Thorium Reader.
Readest is a modern, open-source ebook reader for Windows, macOS, Linux, iOS, Android, and the web.
United States
Koodo Reader is a powerful ebook reader designed to provide a simple and easy-to-use reading experience.
China
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Lightning fast with a slick design, Kavita is a rocket-fueled self-hosted digital library which supports a vast array of file formats. Install to start reading and share your server with your friends. book reader, self hosted, manga, comics, free, manhwa, e readers, electronic...
Thorium Reader is a free, open source multi-language EPUB reader for Windows 10, MacOS and Linux. It's privacy aware and highly accessible for visually impaired and dyslexic people.
France
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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 clean and simple way to read your books on any device and build your own online library.
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Reading app for Mac with adaptive AI companion, full-page calm interface, and file support for PDFs, EPUBs, DRM-free Kindle files. Offers local private processing, on-device OCR for scanned pages, and a user model that tracks understanding and progress for custom assistance.
China
Supports EPUB and PDF formats, reading borrowed library and DRM-protected eBooks on Windows, macOS, tablets, and phones, with features like annotation, syncing across devices, offline reading modes, organizational tools, and custom shelves for managing content.
United States
Free and simple software for removing/decrypting DRM from Kindle, Adobe Digital Editions, Barnes and Noble, Kobo, Sony, Fictionwise eReader, and other ebooks. Many tools included, including stand-alone scripts and a Calibre plugin.
A local-first, AI-native reading app that turns books, highlights, notes, and conversations into durable context.
Ubooquity is a free, lightweight and easy-to-use home server for your comics and ebooks. Use it to access your files from anywhere, with a tablet, an e-reader, a phone or a computer.
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