Komf vs Open Library
A side-by-side comparison of two self-hosted e-books & media library options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Komf | Open Library |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 81 · Excellent | 91 · Excellent |
| Category | E-books & Media Library | E-books & Media Library |
| License | MIT | AGPL-3.0 |
| Language | Kotlin | Python |
| Setup difficulty | Easy | Hard |
| Min. RAM | 256 MB | 4,096 MB |
| Deployment | docker | docker |
| GitHub stars | ★ 713 | ★ 6,703 |
| First released | 2022 | 2007 |
| Replaces | Goodreads | Goodreads |
What are Komf and Open Library?
Komf
Komf is a companion service that automatically fetches and applies metadata to series in Komga and Kavita libraries. It pulls from sources like AniList, MangaUpdates, and MyAnimeList to enrich your collection.
- Automatic metadata fetching
- Komga and Kavita integration
- Multiple metadata sources
- Cover art updates
Open Library
Open Library is the open-source platform behind openlibrary.org, an editable web catalog aiming for a page for every book ever published. The codebase can be self-hosted to run your own book catalog and lending system.
- Editable book catalog
- Lending library system
- Public API
- Massive metadata coverage
Komf vs Open Library: key differences
Komf is written in Kotlin, while Open Library is built with Python. Licensing differs — MIT for Komf versus AGPL-3.0 for Open Library. Komf is the lighter option, starting around 256 MB of RAM against 4,096 MB for Open Library. Open Library is the more established project (first released 2007), while Komf arrived in 2022. Open Library has the considerably larger community, at 6,703 GitHub stars versus 713.
Why pick each one
Choose Komf if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Written in Kotlin
Watch out for
- Companion tool only
- Requires Komga or Kavita
Choose Open Library if…
- Huge catalog data
- Battle-tested platform
Watch out for
- Heavy to self-host
- Complex architecture
Frequently asked questions
Is Komf or Open Library better?
Neither is universally better. Open Library has the larger community, while Komf is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Komf and Open Library free and open-source?
Yes. Komf is licensed under MIT and Open Library under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Komf and Open Library with Docker?
Komf: yes. Open Library: yes.
Which is lighter on resources, Komf or Open Library?
Komf has the smaller minimum footprint at 256 MB of RAM, compared to about 4,096 MB for Open Library. Real-world usage depends on library size, user count, and enabled features.