KOReader vs Sigil
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
Sigil
Multi-platform EPUB ebook editor
| Feature | KOReader | Sigil |
|---|---|---|
| Category | E-books & Media Library | E-books & Media Library |
| License | AGPL-3.0 | GPL-3.0 |
| Language | Lua | C++ |
| Setup difficulty | Medium | Easy |
| Min. RAM | 256 MB | 256 MB |
| Deployment | binary, source | bare-metal, binary |
| GitHub stars | ★ 28,800 | ★ 6,913 |
| First released | 2012 | 2009 |
| Replaces | Kindle, Pocketbook reader | Adobe InDesign EPUB export |
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 Sigil if…
- Released under the GPL-3.0 license
- Easy to set up — beginner-friendly
- Mature project with 6.9k GitHub stars
- Written in C++
Frequently asked questions
Is KOReader or Sigil better?
Neither is universally better. KOReader has the larger community, while Sigil is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are KOReader and Sigil free and open-source?
Yes. KOReader is licensed under AGPL-3.0 and Sigil under GPL-3.0. Both can be self-hosted at no software cost.
Can I run KOReader and Sigil with Docker?
KOReader: check the project docs for container support. Sigil: check the project docs for container support.