Dendron vs Otter Wiki
A side-by-side comparison of two self-hosted wikis & documentation options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Dendron | Otter Wiki |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 55 · Fair | 84 · Excellent |
| Category | Wikis & Documentation | Wikis & Documentation |
| License | GPL-3.0 | MIT |
| Language | TypeScript | Python |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 128 MB |
| Deployment | source, binary | docker, bare-metal, source |
| GitHub stars | ★ 7,470 | ★ 1,542 |
| First released | 2020 | 2021 |
| Replaces | Notion, Confluence | Confluence, Notion |
What are Dendron and Otter Wiki?
Dendron
Dendron is an open-source, local-first note-taking tool that works as a hierarchical personal knowledge wiki on top of VS Code. It uses a structured naming scheme to organize thousands of Markdown notes and can publish them as a static site.
- Hierarchical note schema
- Local Markdown storage
- Static site publishing
- VS Code integration
Otter Wiki
Otter Wiki is a minimalistic open-source wiki that stores its pages as Markdown in a Git repository. It offers a simple web interface with editing, history, and search for small teams.
- Git-backed Markdown pages
- Built-in history and diffs
- Full-text search
- Minimalist interface
Dendron vs Otter Wiki: key differences
Dendron is written in TypeScript, while Otter Wiki is built with Python. Licensing differs — GPL-3.0 for Dendron versus MIT for Otter Wiki. Otter Wiki is the lighter option, starting around 128 MB of RAM against 512 MB for Dendron. Dendron has the considerably larger community, at 7,470 GitHub stars versus 1,542. Otter Wiki lists first-class Docker deployment; Dendron does not.
Why pick each one
Choose Dendron if…
- Released under the GPL-3.0 license
- Mature project with 7.5k GitHub stars
- Written in TypeScript
- Lightweight — runs in 512 MB RAM
Watch out for
- Tied to VS Code
- Learning curve for hierarchy
Choose Otter Wiki if…
- Easy to host and back up
- Clean, simple UI
Watch out for
- Basic feature set
- Smaller community
Frequently asked questions
Is Dendron or Otter Wiki better?
Neither is universally better. Dendron has the larger community, while Otter Wiki is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Dendron and Otter Wiki free and open-source?
Yes. Dendron is licensed under GPL-3.0 and Otter Wiki under MIT. Both can be self-hosted at no software cost.
Can I run Dendron and Otter Wiki with Docker?
Dendron: check the project docs for container support. Otter Wiki: yes.
Which is lighter on resources, Dendron or Otter Wiki?
Otter Wiki has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Dendron. Real-world usage depends on library size, user count, and enabled features.