Trilium Notes 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 | Trilium Notes | Zettlr |
|---|---|---|
| Deploy effort | ≈5-minute setup | Read-the-docs project |
| Health score | 99 · Excellent | 94 · Excellent |
| Category | Notes & Knowledge Base | Notes & Knowledge Base |
| License | AGPL-3.0 | GPL-3.0 |
| Language | TypeScript | TypeScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 256 MB |
| Deployment | docker, bare-metal | bare-metal, binary |
| GitHub stars | ★ 37,958 | ★ 13,577 |
| First released | 2017 | 2017 |
| Replaces | Evernote, Notion | Notion, Obsidian |
What are Trilium Notes and Zettlr?
Trilium Notes
Trilium Notes is a hierarchical note-taking application designed for building large personal knowledge bases with rich linking and scripting. It targets power users who want a structured second brain. It is deployed via Docker as a server with desktop and web clients.
- Deep hierarchical note tree
- Note attributes and relations
- Scripting and automation
- Encrypted protected notes
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
Trilium Notes vs Zettlr: key differences
Both projects are written in TypeScript. Licensing differs — AGPL-3.0 for Trilium Notes versus GPL-3.0 for Zettlr. Trilium Notes has the considerably larger community, at 37,958 GitHub stars versus 13,577. Trilium Notes lists first-class Docker deployment; Zettlr does not.
Why pick each one
Choose Trilium Notes if…
- Powerful for big knowledge bases
- Flexible structure
- Scriptable
Watch out for
- Steep learning curve
- Single-user oriented
Choose Zettlr if…
- Strong academic features
- Plain Markdown files
Watch out for
- Desktop only
- No native sync server
Frequently asked questions
Is Trilium Notes or Zettlr better?
Neither is universally better. Trilium Notes has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Trilium Notes and Zettlr free and open-source?
Yes. Trilium Notes is licensed under AGPL-3.0 and Zettlr under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Trilium Notes and Zettlr with Docker?
Trilium Notes: yes. Zettlr: check the project docs for container support.