BookStack vs Zettlr
A side-by-side comparison of two self-hosted notes & knowledge base options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | BookStack | Zettlr |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 96 · Excellent | 94 · Excellent |
| Category | Notes & Knowledge Base | Notes & Knowledge Base |
| License | MIT | GPL-3.0 |
| Language | PHP | TypeScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker, bare-metal | bare-metal, binary |
| GitHub stars | ★ 19,050 | ★ 13,577 |
| First released | 2017 | 2017 |
| Replaces | Confluence, Notion | Notion, Obsidian |
What are BookStack and Zettlr?
BookStack
BookStack is a self-hosted platform for organizing and storing documentation in a books, chapters, and pages structure. It targets teams that want an approachable wiki without complexity. It is deployed via Docker or a LAMP stack.
- Books, chapters and pages structure
- WYSIWYG and Markdown editors
- Roles, permissions and SSO
- Full-text search
Zettlr
Zettlr is a desktop Markdown editor designed for academic writing and Zettelkasten note management, with citation support and internal linking. While desktop-first, it works on plain Markdown folders that can sync between machines.
- Zettelkasten linking
- Citation manager support
- Multi-format export
- Folder-based projects
BookStack vs Zettlr: key differences
BookStack is written in PHP, while Zettlr is built with TypeScript. Licensing differs — MIT for BookStack versus GPL-3.0 for Zettlr. Zettlr is the lighter option, starting around 256 MB of RAM against 512 MB for BookStack. BookStack lists first-class Docker deployment; Zettlr does not.
Why pick each one
Choose BookStack if…
- Very easy to learn
- Clean organized structure
- Good permissions
Watch out for
- Rigid structure for some
- Fewer integrations than rivals
Choose Zettlr if…
- Strong academic features
- Plain Markdown files
Watch out for
- Desktop only
- No native sync server
Frequently asked questions
Is BookStack or Zettlr better?
Neither is universally better. BookStack has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are BookStack and Zettlr free and open-source?
Yes. BookStack is licensed under MIT and Zettlr under GPL-3.0. Both can be self-hosted at no software cost.
Can I run BookStack and Zettlr with Docker?
BookStack: yes. Zettlr: check the project docs for container support.
Which is lighter on resources, BookStack or Zettlr?
Zettlr has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for BookStack. Real-world usage depends on library size, user count, and enabled features.