Calibrevswindmill
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Calibre | windmill | |
|---|---|---|
| Score | 83/100 | 77/100 |
| Rank in category | #1 of 19 in Ebook Management | #6 of 32 in Workflow Automation |
| GitHub stars | 26 268 | 18 308 |
| Stars, last 30 days | +269 | +288 |
| Stable releases, 12 months | 18 | 163 |
| Latest release | v9.17.0 · 23 Oct 2026 | v1.853.0 · 28 Oct 2026 |
| Setup | Easy | Moderate |
| Official Docker image | No | Yes |
| License | GPL-3.0 | Other |
| Main language | Python | Rust |
Which one should you pick?
Calibre scores 83/100 against 77/100 for windmill, so it is the safer default.
windmill ships more often: 163 stable releases in the past year, against 18 for Calibre.
If you want the quickest setup, Calibre is easier to run; windmill needs more configuration.
Calibre details →windmill details →
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