Calibre vs KOHighlights
A side-by-side comparison of two self-hosted e-books & media library options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Calibre
Powerful ebook library manager with a built-in server
VS
KOHighlights
Viewer and exporter for KOReader book highlights
| Feature | Calibre | KOHighlights |
|---|---|---|
| Category | E-books & Media Library | E-books & Media Library |
| License | GPL-3.0 | MIT |
| Language | Python | Python |
| Setup difficulty | Easy | Easy |
| Min. RAM | 512 MB | 128 MB |
| Deployment | docker, bare-metal, binary | binary |
| GitHub stars | ★ 25,578 | ★ 262 |
| First released | 2006 | 2017 |
| Replaces | Kindle, Apple Books | Kindle Notebook export |
Why pick each one
Choose KOHighlights if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- Written in Python
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is Calibre or KOHighlights better?
Neither is universally better. Calibre has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Calibre and KOHighlights free and open-source?
Yes. Calibre is licensed under GPL-3.0 and KOHighlights under MIT. Both can be self-hosted at no software cost.
Can I run Calibre and KOHighlights with Docker?
Calibre: yes. KOHighlights: check the project docs for container support.