5 Free and Open-source Reader Apps for macOS (Intel and Apple Silicon)
1- Calibre
ebook reader
calibre is an e-book manager. It can view, convert, edit and catalog e-books in all of the major e-book formats. It can also talk to e-book reader devices. It can go out to the internet and fetch metadata for your books. It can download newspapers and convert them into e-books for convenient reading. It is cross platform, running on Linux, Windows and macOS.
Calibre is a strong eBook suite that do more than displaying eBook files. It offers converter to convert eBook file formats, organize your eBook library and collections, and it works seamlessly on Windows, Linux, and macOS
Read about Calibre 's features, license, platforms, and more.
2- Eplee
Sweet, simple epub reader
Eplee is an ePub reader focused on clean distraction-free reading experience with simple and beautiful UI.
Read about Eplee 's features, license, platforms, and more.
3- FBReader
eBook reader for ePub, Mobi, ETF, and Fb2.
FBReader is a popular eBook reader that supports many eBook formats such as EPUB, Mobi, ETF, and fb2.
FBReader is not an open-source software, but it is avaiable for free for Windows, Linux, macOS, Android, and iOS.
FBReader uses its own book parser and rendering engine. The engine is lightweight, fast, and highly customisable.
Read about FBReader 's features, license, platforms, and more.
4- Fluent Reader
Modern desktop RSS reader built with Electron, React, and Fluent UI
Fluent Reader is one of the most popular Modern desktop RSS readers. It is open-source, and has some special features such as it can export service configs to it through QR code, it has a keyboard shortcut to hide an app on macOS, it also supports Chinese, and Turkish language, and more.
Fluent Reader comes with different versions that give you the choice to choose the perfect solution for your case.
Read about Fluent Reader 's features, license, platforms, and more.
5- Koodo Reader
open-source ebook reader
Koodo Reader is a modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux and Web
Read about Koodo Reader 's features, license, platforms, and more.