Apps similar to Readest include calibre, which is free and open source. Other options are KOReader, Koodo Reader, Foliate and Google Play Books. You can choose from more than 10 Ebook Readers like Readest for Linux, Windows, Mac, Android and iPhone.
Free e-book manager with features including library management, format conversion, syncing to devices, internet-independent operation, built-in viewer, news download as e-books, text-to-speech, privacy focus, extensible plugins, and no registration or tracking.
India
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Kindle, Kobo, PocketBook, Linux and Android devices.
Koodo Reader is a powerful ebook reader designed to provide a simple and easy-to-use reading experience.
China
Italy
EU
Discover a vast library of books to search, preview, and buy, read free public domain books, sync page positions, and back up purchases online for a seamless reading experience across multiple devices.
United States
Russia
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.
FranceEU
Apple Books is the single destination for all the books you love, and the ones you’re about to. Browse the Book Store, join Oprah’s new Book Club, keep track of what you’ve read and want to read, and listen to enthralling audiobooks. All in one place.
United States
Cool Reader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. Understands a number of text document formats, suppurt OPDS (in new ui-opengl version). Fully customizable palette, text reformatting with any font size, font...
Russia
GermanyEU
Flow is an online EPUB reader that offers its services at no cost and is compatible across a range of platforms including Web, Windows, Linux, macOS, Android, and iOS. It provides the convenience of reading multiple books simultaneously and enables seamless reading across...
Read fluently and comfortably, with simple and clear interface.
Supported Document Types: PDF, EPUB, MOBI, CBZ, FB2, XPS, TXT, HTML, OFFICE(DOCX, XLSX, PPTX) and ZIP/GZIP
Features: Horizontal / Vertical Flip Continuous Scroll Lock Stray: Keep scroll straight Margin Crop Focus M.
