Atsumeru vs KOReader
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?
Atsumeru
Manga/comic/light novel media server with clients for Windows, Linux,
VS
KOReader
Document and ebook reader for e-ink and mobile devices
| Feature | Atsumeru | KOReader |
|---|---|---|
| Category | E-books & Media Library | E-books & Media Library |
| License | MIT | AGPL-3.0 |
| Language | Java | Lua |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker | binary, source |
| GitHub stars | ★ 189 | ★ 28,800 |
| First released | 2026 | 2012 |
| Replaces | — | Kindle, Pocketbook reader |
Why pick each one
Choose Atsumeru if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Written in Java
- Lightweight — runs in 512 MB RAM
Choose KOReader if…
- Released under the AGPL-3.0 license
- Mature project with 28.8k GitHub stars
- Written in Lua
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is Atsumeru or KOReader better?
Neither is universally better. KOReader has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Atsumeru and KOReader free and open-source?
Yes. Atsumeru is licensed under MIT and KOReader under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Atsumeru and KOReader with Docker?
Atsumeru: yes. KOReader: check the project docs for container support.