Calibre is an open source e-book library management application that enables you to manage your e-book collection, convert e-books between different formats, synchronize with popular e-book reader devices, and read your e-books with the included viewer.
It acts as an e-library and also allows for format conversion, news feeds to e-book conversion, as well as e-book reader sync features and an integrated e-book viewer.
Calibre's features include: library management; format conversion (all major ebook formats); syncing to e-book reader devices; fetching news from the Web and converting it into ebook form; viewing many different e-book formats, giving you access to your book collection over the internet using just a browser.
Calibre 5.21.0 new features:
Driver for the new Kobo Ellipsa
Content server: When editing metadata for fields that take multiple values, make it easier to remove individual values by simply tapping a button. Closes tickets: 1930958
Browser viewer: Make current color scheme setting propagate to all devices automatically when using user accounts. Closes tickets: 1930900
E-book viewer: Image popup: Show the image resolution in the popup window's titlebar
HTML Input: Fix handling of @import rules in stylesheets nested more than one level deep. Closes tickets: 1930922
Fix viewer search context menu to clear searches not clearing search settings. Closes tickets: 1930912
E-book viewer image popup: Fix full screen button in incorrect state when starting in full screen
Improved news sources
Download: Calibre 5.21.0 for Windows | Portable | Windows 64-bit | ~100.0 MB (Open Source)
Download: Calibre 5.21.0 for MacOS | 144.0 MB
Download: Calibre 5.21.0 for Linux
View: Calibre Home Page | Calibre Screenshot