Calibre-Web 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.
Calibre-Web
Web app to browse and read your Calibre library
VS
ttu Ebook Reader
Browser-based ebook reader with progress tracking
| Feature | Calibre-Web | ttu Ebook Reader |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 95 · Excellent | 64 · Good |
| Category | E-books & Media Library | E-books & Media Library |
| License | GPL-3.0 | MIT |
| Language | Python | Svelte |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 128 MB |
| Deployment | docker | docker, bare-metal |
| GitHub stars | ★ 18,229 | ★ 1,037 |
| First released | 2017 | 2021 |
| Replaces | Kindle, Goodreads | Kindle |
What are Calibre-Web and ttu Ebook Reader?
Calibre-Web
Calibre-Web is a web application that provides a clean interface to browse, read, and download books from an existing Calibre library. It targets users who want web access to their e-book collection. It is deployed via Docker.
- Web interface for Calibre libraries
- In-browser e-book reader
- Send to Kindle support
- OPDS feed for apps
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
Calibre-Web vs ttu Ebook Reader: key differences
Calibre-Web is written in Python, while ttu Ebook Reader is built with Svelte. Licensing differs — GPL-3.0 for Calibre-Web versus MIT for ttu Ebook Reader. Ttu Ebook Reader is the lighter option, starting around 128 MB of RAM against 256 MB for Calibre-Web. Calibre-Web is the more established project (first released 2017), while ttu Ebook Reader arrived in 2021. Calibre-Web has the considerably larger community, at 18,229 GitHub stars versus 1,037.
Why pick each one
Choose Calibre-Web if…
- Great companion to Calibre
- Multi-user access
- Lightweight
Watch out for
- Needs an existing Calibre library
- Not a metadata manager itself
Choose ttu Ebook Reader if…
- No backend needed
- Privacy friendly
Watch out for
- Reader only
- No central library
Frequently asked questions
Is Calibre-Web or ttu Ebook Reader better?
Neither is universally better. Calibre-Web has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Calibre-Web and ttu Ebook Reader free and open-source?
Yes. Calibre-Web 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 and ttu Ebook Reader with Docker?
Calibre-Web: yes. ttu Ebook Reader: yes.
Which is lighter on resources, Calibre-Web or ttu Ebook Reader?
ttu Ebook Reader has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for Calibre-Web. Real-world usage depends on library size, user count, and enabled features.