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Thorium ReaderNeat Reader
Free

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

 Freemium

Free to use, with a Premium plan that has a seven-day free trial.

Windows, macOS, Linux Windows, macOS, Android, iOS, Web
  • Supports library imports, bookmarks and adjustable reading layouts.
  • Apps for desktop, mobile and the web
  • Syncs books, notes and progress through the cloud
  • Format and protection support depend on the book being opened.
  • EPUB 3 support is not complete
  • Some features need the paid Premium plan
Downloadable app Downloadable app, Web application
Open source Closed source
License: BSD-3-Clause License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 24, 2026

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