Apps similar to calibre include Readest, which is open source with a free version. Other options are KOReader, Koodo Reader, Librera Reader and Foliate. Ebook Readers like calibre are a crowded field, with more than 100 alternatives for Windows, Android, Mac, Linux and iPhone.
GooReader is a desktop application that allows you to search, download and read books and magazines available on Google Play Books , add bookmarks, annotate pages, create local library and manage your Google Library.
An easy to use ebook reader application that ensures a pleasant reading experience. The reader interface has a fresh feel and smooth transitions that make you read book after book on it. Lektz Reader supports EPUB2, EPUB3 and PDF format ebooks.
India
Garden Reads is a calm, distraction-free reader for people who want to relax or study a good book. Lose yourself in a quiet nature-inspired aesthetic. The app isn't just pretty, it's packed with all the tools you would need for understanding anything in a book.
Romania
EU
Suite of 12 eBook formatting tools tailored for indie authors with EPUB validation, Kindle issue correction, metadata builder, TOC generator, Word cleanup, keyword finding, style audit, front and back matter coverage, and two free tools requiring no login.
Bangladesh
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.
BelgiumEU
💡 illuminsight 👀 effortlessly generates insights for selected text within your EPUB-format books, showing you relevant, contextualized data at a glance.
United States
Calibre2opds can generate OPDS and HTML catalogs from the metadata of the calibre e-book library manager. These catalogs can then be used both to browse your e-book library online and also to download books on demand.
United Kingdom
TypoZen is a Markdown editor and an ePub reader in one quiet window: somewhere to write in the morning and somewhere to read in the evening, without switching apps or going near the internet.
United Kingdom
Reflowable format allows you to create files for Kindle, print, and EPUB. Readers can adjust the size of eBook fonts, margins, and various properties on Kindle.
United States
Shelf is a convergent document viewer that supports PDF and EPUB files. With Shelf, you can organize your document collection by creating tags, like other Maui applications.
Mexico
India
United Kingdom
