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Adobe Digital EditionsThorium Reader
Free

Free to download.

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Windows, macOS, Android, iOS Windows, macOS, Linux
  • EPUB 3 support including audio, video and right-to-left text
  • Books appear across all devices with ADE
  • Supports library imports, bookmarks and adjustable reading layouts.
  • Closed source
  • Reading features are basic compared with dedicated library managers
  • Format and protection support depend on the book being opened.
Downloadable app Downloadable app
Closed source Open source
License not stated License: BSD-3-Clause
Not stated if an account is needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.