Alternatives to Calibre
The ebook library manager: view, convert, edit and catalogue books in every major format, and talk to e-readers. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Calibre
The ebook library manager: view, convert, edit and catalogue books in every major format, and talk to e-readers.
Also worth comparing
These listings name Calibre as their own alternative, so the relationship runs both ways.
Sumatra PDF
A small, fast, open-source reader for PDF, EPUB, MOBI, CBZ, DjVu and other documents on Windows.
Calibre manages and converts a whole library; Sumatra just opens a file fast.
Similar software
Related functionality, not a direct replacement.
Koodo Reader
A modern ebook reader for fifteen-plus formats that syncs your library and reading progress through storage you already own.
Foliate
A calm, well-made GTK ebook reader for Linux that stores your notes as plain JSON you can sync yourself.
Kavita
A self-hosted reading server for ebooks, comics and manga, with readers built for each format and OPDS for everything else.
