Kavita vs Kthoom
A side-by-side comparison of two self-hosted e-books & media library options — licensing, setup difficulty, resource needs, and what each one replaces.
Kavita
Fast self-hosted digital library for all reading
VS
Kthoom
In-browser comic book and archive reader
| Feature | Kavita | Kthoom |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 93 · Excellent | 56 · Fair |
| Category | E-books & Media Library | E-books & Media Library |
| License | GPL-3.0 | MIT |
| Language | C# | JavaScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 512 MB | 64 MB |
| Deployment | docker | bare-metal |
| GitHub stars | ★ 11,728 | ★ 150 |
| First released | 2021 | 2011 |
| Replaces | Kindle, ComiXology | ComiXology |
What are Kavita and Kthoom?
Kavita
Kavita is a fast, self-hosted digital library that handles e-books, comics, manga, and magazines with a polished reader. It targets readers with mixed digital collections. It is deployed via Docker.
- Handles books, comics and manga
- Fast polished web reader
- Collections and reading lists
- OPDS support
Kthoom
Kthoom is a comic book reader that runs entirely in the web browser, opening CBZ, CBR, and other archive formats. It can be self-hosted as static files for reading comics from any device.
- In-browser comic reading
- CBZ and CBR support
- Static self-hosting
- No server runtime needed
Kavita vs Kthoom: key differences
Kavita is written in C#, while Kthoom is built with JavaScript. Licensing differs — GPL-3.0 for Kavita versus MIT for Kthoom. Kthoom is the lighter option, starting around 64 MB of RAM against 512 MB for Kavita. Kthoom is the more established project (first released 2011), while Kavita arrived in 2021. Kavita has the considerably larger community, at 11,728 GitHub stars versus 150. Kavita lists first-class Docker deployment; Kthoom does not.
Why pick each one
Choose Kavita if…
- Great mixed-media support
- Fast and modern
- Active development
Watch out for
- No metadata editing
- Library organization is folder-based
Choose Kthoom if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- Written in JavaScript
- Tiny footprint — runs in 64 MB RAM
Watch out for
- Reader only, no library
- Minimal organization
Frequently asked questions
Is Kavita or Kthoom better?
Neither is universally better. Kavita has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Kavita and Kthoom free and open-source?
Yes. Kavita is licensed under GPL-3.0 and Kthoom under MIT. Both can be self-hosted at no software cost.
Can I run Kavita and Kthoom with Docker?
Kavita: yes. Kthoom: check the project docs for container support.
Which is lighter on resources, Kavita or Kthoom?
Kthoom has the smaller minimum footprint at 64 MB of RAM, compared to about 512 MB for Kavita. Real-world usage depends on library size, user count, and enabled features.