KOReader vs RERO ILS
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?
KOReader
Document and ebook reader for e-ink and mobile devices
VS
RERO ILS
Large-scale ILS that can be run as a service with consortial features,
| Feature | KOReader | RERO ILS |
|---|---|---|
| Category | E-books & Media Library | E-books & Media Library |
| License | AGPL-3.0 | AGPL-3.0 |
| Language | Lua | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | binary, source | docker |
| GitHub stars | ★ 28,800 | ★ 87 |
| First released | 2012 | 2026 |
| Replaces | Kindle, Pocketbook reader | — |
Why pick each one
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
Choose RERO ILS if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Written in Python
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is KOReader or RERO ILS 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 KOReader and RERO ILS free and open-source?
Yes. KOReader is licensed under AGPL-3.0 and RERO ILS under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run KOReader and RERO ILS with Docker?
KOReader: check the project docs for container support. RERO ILS: yes.