# Calibre vs PostHog

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

| | Calibre | PostHog |
|---|---|---|
| Score | 83/100 ✓ | 81/100 |
| Rank in category | #1 of 19 in Ebook Management | #1 of 27 in Analytics |
| GitHub stars | 26 270 | 40 503 ✓ |
| Stars, last 30 days | +261 | +584 ✓ |
| Stable releases, 12 months | 18 | 3521 ✓ |
| Latest release | v9.17.0 · 23 Oct 2026 | agent-skills-v0.3910.0 · 29 Oct 2026 ✓ |
| Setup | Easy ✓ | Advanced |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | Other |
| Main language | Python | Python |

## Which one should you pick?

Calibre scores 83/100 against 81/100 for PostHog, so it is the safer default.

PostHog ships more often: 3521 stable releases in the past year, against 18 for Calibre.

If you want the quickest setup, Calibre is easier to run; PostHog needs more configuration.

PostHog is growing faster right now (+584 stars in 30 days).

## Details

- [Calibre](https://selfhost.directory/project/calibre) (markdown: https://selfhost.directory/project/calibre.md)
- [PostHog](https://selfhost.directory/project/posthog) (markdown: https://selfhost.directory/project/posthog.md)

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Source: https://selfhost.directory/compare/calibre-vs-posthog