SilverBullet 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 | SilverBullet | Zettlr |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 91 · Excellent | 94 · Excellent |
| Category | Notes & Knowledge Base | Notes & Knowledge Base |
| License | MIT | GPL-3.0 |
| Language | TypeScript | TypeScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 128 MB | 256 MB |
| Deployment | docker | bare-metal, binary |
| GitHub stars | ★ 6,142 | ★ 13,577 |
| First released | 2022 | 2017 |
| Replaces | Notion, Obsidian | Notion, Obsidian |
What are SilverBullet and Zettlr?
SilverBullet
SilverBullet is an extensible, Markdown-based note-taking web app that you can run on your own server and access from any browser. It targets users who want a programmable personal knowledge tool. It is deployed via Docker or Deno.
- Markdown-based with live queries
- Extensible via Space Script
- Works offline as a PWA
- Plain file storage
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
SilverBullet vs Zettlr: key differences
Both projects are written in TypeScript. Licensing differs — MIT for SilverBullet versus GPL-3.0 for Zettlr. SilverBullet is the lighter option, starting around 128 MB of RAM against 256 MB for Zettlr. Zettlr is the more established project (first released 2017), while SilverBullet arrived in 2022. Zettlr has the considerably larger community, at 13,577 GitHub stars versus 6,142. SilverBullet lists first-class Docker deployment; Zettlr does not.
Why pick each one
Choose SilverBullet if…
- Highly hackable
- Lightweight
- Files stay portable
Watch out for
- Niche and DIY-oriented
- Smaller community
Choose Zettlr if…
- Strong academic features
- Plain Markdown files
Watch out for
- Desktop only
- No native sync server
Frequently asked questions
Is SilverBullet or Zettlr better?
Neither is universally better. Zettlr has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are SilverBullet and Zettlr free and open-source?
Yes. SilverBullet is licensed under MIT and Zettlr under GPL-3.0. Both can be self-hosted at no software cost.
Can I run SilverBullet and Zettlr with Docker?
SilverBullet: yes. Zettlr: check the project docs for container support.
Which is lighter on resources, SilverBullet or Zettlr?
SilverBullet has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for Zettlr. Real-world usage depends on library size, user count, and enabled features.