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OpenReader vs ebook2audiobook: catalog facts
OpenReader	ebook2audiobook
Free Free and open source under the MIT licence; cloud TTS providers bill separately.	Free Free to download from its GitHub repository.
Web, Self-hosted	Windows, macOS, Linux
Word-by-word highlighting during narration Audiobook export to M4B or MP3	Produces audiobooks with chapter markers Text-to-speech runs locally instead of on a cloud service
Needs a separate TTS server or a paid cloud API Several moving parts to deploy, including a compute worker	Local speech models need a reasonably capable computer and can be slow on long books Voice quality depends on the chosen model and is not the same as a human narrator
Self-hosted	Downloadable app
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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