Calibrevsopenpencil
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Calibre | openpencil | |
|---|---|---|
| Score | 83/100 | 73/100 |
| Rank in category | #1 of 19 in Ebook Management | #2 of 7 in Design |
| GitHub stars | 26 267 | 9 394 |
| Stars, last 30 days | +268 | +809 |
| Stable releases, 12 months | 18 | 14 |
| Latest release | v9.17.0 · 23 Oct 2026 | v0.16.0 · 14 Oct 2026 |
| Setup | Easy | Easy |
| Official Docker image | No | No |
| License | GPL-3.0 | MIT |
| Main language | Python | Typescript |
Which one should you pick?
Calibre scores 83/100 against 73/100 for openpencil, so it is the safer default.
Calibre ships more often: 18 stable releases in the past year, against 14 for openpencil.
openpencil is growing faster right now (+809 stars in 30 days).
Calibre details →openpencil details →
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