# Calibre Web Automated vs Transformer Lab

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Calibre Web Automated | Transformer Lab |
|---|---|---|
| Score | 73/100 ✓ | 61/100 |
| Rank in category | #2 of 19 in Ebook Management | #12 of 25 in LLM Inference |
| GitHub stars | 6 508 ✓ | 5 199 |
| Stars, last 30 days | +172 ✓ | +2 |
| Stable releases, 12 months | 9 | 9 |
| Latest release | v4.0.8 · 28 Sept 2026 ✓ | v0.40.1 · 19 Jun 2026 |
| Setup | Moderate ✓ | Moderate |
| Official Docker image | Yes ✓ | No |
| License | GPL-3.0 | AGPL-3.0 |
| Main language | JavaScript | Python |

## Which one should you pick?

Calibre Web Automated scores 73/100 against 61/100 for Transformer Lab, so it is the safer default.

Calibre Web Automated is growing faster right now (+172 stars in 30 days).

## Details

- [Calibre Web Automated](https://selfhost.directory/project/calibre-web-automated) (markdown: https://selfhost.directory/project/calibre-web-automated.md)
- [Transformer Lab](https://selfhost.directory/project/transformerlab-app) (markdown: https://selfhost.directory/project/transformerlab-app.md)

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Source: https://selfhost.directory/compare/calibre-web-automated-vs-transformerlab-app