Calibre vs dir2opds
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
dir2opds
Minimal OPDS server for personal ebook collections
| Feature | Calibre | dir2opds |
|---|---|---|
| Category | E-books & Media Library | E-books & Media Library |
| License | GPL-3.0 | MIT |
| Language | Python | Go |
| Setup difficulty | Easy | Easy |
| Min. RAM | 512 MB | 64 MB |
| Deployment | docker, bare-metal, binary | docker, binary |
| GitHub stars | ★ 25,578 | ★ 110 |
| First released | 2006 | 2018 |
| Replaces | Kindle, Apple Books | Calibre Content Server |
Why pick each one
Choose dir2opds if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Written in Go
Frequently asked questions
Is Calibre or dir2opds 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 dir2opds free and open-source?
Yes. Calibre is licensed under GPL-3.0 and dir2opds under MIT. Both can be self-hosted at no software cost.
Can I run Calibre and dir2opds with Docker?
Calibre: yes. dir2opds: yes.