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

Features

• Format support:
  • EPUB (.epub)
  • Scanned document (.pdf, .djvu)
  • DRM-free Mobipocket (.mobi) and Kindle (.azw3, .azw)
  • Plain text (.txt)
  • FictionBook (.fb2)
  • Comic book archive (.cbr, .cbz, .cbt, .cb7)
  • Rich text (.md, .docx, .rtf)
  • Hyper Text (.html, .xml, .xhtml, .mhtml, .htm, .htm)
• Platform support: Windows, macOS, Linux and Web
• Save your data to Dropbox or Webdav
• Customize the source folder and synchronize among multiple devices using OneDrive, iCloud, Dropbox, etc.
• Single-column, two-column, or continuous scrolling layouts
• Text-to-speech, translation, progress slider, touch screen support, batch import
• Add bookmarks, notes, highlights to your books
• Adjust font size, font family, line-spacing, paragraph spacing, background color, text color, margins, and brightness
• Night mode and theme color
• Text highlight, underline, boldness, italics and shadow

Install for macOS

Homebrew

brew install --cask koodo-reader