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Koodo ReaderYACReader
Free

Free and open source under the AGPL-3.0.

 Free

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

Windows, macOS, Linux, Android, iOS, Web Windows, macOS, Linux
  • Over fifteen formats including EPUB, PDF, MOBI, AZW3, comic archives and DOCX
  • Syncs through storage you already control rather than a vendor cloud
  • Provides comic-focused reading and library tools.
  • It reads DRM-free files only; books bought from a store with DRM will not open
  • Sync depends on whatever storage you configure, so the setup is on you
  • Mobile editions and desktop components are separate products.
Downloadable app, Web application Downloadable app
Open source Open source
License: AGPL-3.0 License: GPL-3.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 20, 2026

Checked September 22, 2026

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