Feather Wiki 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 | Feather Wiki | Otter Wiki |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Category | Wikis & Documentation | Wikis & Documentation |
| License | MIT | MIT |
| Language | JavaScript | Python |
| Setup difficulty | Easy | Easy |
| Min. RAM | 32 MB | 128 MB |
| Deployment | bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 900 | ★ 1,544 |
| First released | 2021 | 2021 |
| Replaces | Notion, TiddlyWiki | Confluence, Notion |
What are Feather Wiki and Otter Wiki?
Feather Wiki
Feather Wiki is an extremely small single-file personal wiki and note-taking application that runs entirely in the browser. The whole wiki, including content and code, lives in one tiny HTML file that is easy to back up and host anywhere.
- Single HTML file
- Tiny footprint
- Works offline
- Page linking
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
Feather Wiki vs Otter Wiki: key differences
Feather Wiki is written in JavaScript, while Otter Wiki is built with Python. Feather Wiki is the lighter option, starting around 32 MB of RAM against 128 MB for Otter Wiki. Otter Wiki lists first-class Docker deployment; Feather Wiki does not.
Why pick each one
Choose Feather Wiki if…
- Trivial to host
- Highly portable
Watch out for
- No multi-user editing
- Limited at large scale
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 Feather Wiki or Otter Wiki better?
Neither is universally better. Otter Wiki has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Feather Wiki and Otter Wiki free and open-source?
Yes. Feather Wiki is licensed under MIT and Otter Wiki under MIT. Both can be self-hosted at no software cost.
Can I run Feather Wiki and Otter Wiki with Docker?
Feather Wiki: check the project docs for container support. Otter Wiki: yes.
Which is lighter on resources, Feather Wiki or Otter Wiki?
Feather Wiki has the smaller minimum footprint at 32 MB of RAM, compared to about 128 MB for Otter Wiki. Real-world usage depends on library size, user count, and enabled features.