Calibre vs COPS
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
COPS
Calibre OPDS and HTML PHP server
| Feature | Calibre | COPS |
|---|---|---|
| Category | E-books & Media Library | E-books & Media Library |
| License | GPL-3.0 | GPL-2.0 |
| Language | Python | PHP |
| Setup difficulty | Easy | Easy |
| Min. RAM | 512 MB | 128 MB |
| Deployment | docker, bare-metal, binary | docker, bare-metal |
| GitHub stars | ★ 25,578 | ★ 130 |
| First released | 2006 | 2013 |
| Replaces | Kindle, Apple Books | Kindle |
Why pick each one
Frequently asked questions
Is Calibre or COPS 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 COPS free and open-source?
Yes. Calibre is licensed under GPL-3.0 and COPS under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Calibre and COPS with Docker?
Calibre: yes. COPS: yes.