Calibrevsk7
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Calibre | k7 | |
|---|---|---|
| Score | 83/100 | 51/100 |
| Rank in category | #1 of 19 in Ebook Management | #20 of 44 in Container Management |
| GitHub stars | 26 273 | 824 |
| Stars, last 30 days | +264 | +0 |
| Stable releases, 12 months | 18 | 7 |
| Latest release | v9.17.0 · 23 Oct 2026 | v0.5.0 · 18 Oct 2026 |
| Setup | Easy | Moderate |
| Official Docker image | No | No |
| License | GPL-3.0 | Apache-2.0 |
| Main language | Python | Python |
Which one should you pick?
Calibre scores 83/100 against 51/100 for k7, so it is the safer default.
Calibre ships more often: 18 stable releases in the past year, against 7 for k7.
If you want the quickest setup, Calibre is easier to run; k7 needs more configuration.
Calibre is growing faster right now (+264 stars in 30 days).
Swap a project
Keep Calibre, compare it with
Keep k7, compare it with