Koodo Reader is an all-in-one ebook reader that can help you better manage and study your ebooks. It's free and open-source.

• Extensive formats support
• 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