Calibre-Web Automated vs ttu Ebook Reader

A side-by-side comparison of two self-hosted e-books & media library options — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureCalibre-Web Automatedttu Ebook Reader
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score85 · Excellent64 · Good
CategoryE-books & Media LibraryE-books & Media Library
LicenseGPL-3.0MIT
LanguageJavaScriptSvelte
Setup difficultyEasyEasy
Min. RAM512 MB128 MB
Deploymentdockerdocker, bare-metal
GitHub stars★ 6,332★ 1,037
First released20242021
ReplacesKindleKindle

What are Calibre-Web Automated and ttu Ebook Reader?

Calibre-Web Automated

Calibre-Web Automated extends the popular Calibre-Web with automatic book ingestion, conversion, and metadata enforcement. Dropped-in files are processed and added to your library without manual steps.

  • Automatic book ingestion
  • Format conversion on import
  • Metadata enforcement
  • Calibre-Web feature base

Read the full Calibre-Web Automated guide →

ttu Ebook Reader

ttu Ebook Reader is a self-hostable, browser-based reader for EPUB and HTML books with a focus on language-learning readers. It tracks reading progress and statistics entirely in the browser.

  • Browser-based EPUB reader
  • Reading progress and stats
  • Offline capable
  • Language-learning friendly

Read the full ttu Ebook Reader guide →

Calibre-Web Automated vs ttu Ebook Reader: key differences

Calibre-Web Automated is written in JavaScript, while ttu Ebook Reader is built with Svelte. Licensing differs — GPL-3.0 for Calibre-Web Automated versus MIT for ttu Ebook Reader. Ttu Ebook Reader is the lighter option, starting around 128 MB of RAM against 512 MB for Calibre-Web Automated. Ttu Ebook Reader is the more established project (first released 2021), while Calibre-Web Automated arrived in 2024. Calibre-Web Automated has the considerably larger community, at 6,332 GitHub stars versus 1,037.

Why pick each one

Choose Calibre-Web Automated if…

  • Hands-off library updates
  • Builds on a proven UI

Watch out for

  • Newer project
  • Inherits Calibre-Web limits
Calibre-Web Automated details

Choose ttu Ebook Reader if…

  • No backend needed
  • Privacy friendly

Watch out for

  • Reader only
  • No central library
ttu Ebook Reader details

Frequently asked questions

Is Calibre-Web Automated or ttu Ebook Reader better?

Neither is universally better. Calibre-Web Automated has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are Calibre-Web Automated and ttu Ebook Reader free and open-source?

Yes. Calibre-Web Automated is licensed under GPL-3.0 and ttu Ebook Reader under MIT. Both can be self-hosted at no software cost.

Can I run Calibre-Web Automated and ttu Ebook Reader with Docker?

Calibre-Web Automated: yes. ttu Ebook Reader: yes.

Which is lighter on resources, Calibre-Web Automated or ttu Ebook Reader?

ttu Ebook Reader has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Calibre-Web Automated. Real-world usage depends on library size, user count, and enabled features.

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