Antora 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.
Antora
Multi-repository documentation site generator
VS
Otter Wiki
Lightweight Git-backed documentation wiki
| Feature | Antora | Otter Wiki |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Category | Wikis & Documentation | Wikis & Documentation |
| License | MPL-2.0 | MIT |
| Language | JavaScript | Python |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 128 MB |
| Deployment | binary, source | docker, bare-metal, source |
| GitHub stars | ★ 800 | ★ 1,544 |
| First released | 2017 | 2021 |
| Replaces | Confluence, GitBook | Confluence, Notion |
What are Antora and Otter Wiki?
Antora
Antora is an open-source documentation site generator built for technical content authored in AsciiDoc. It assembles documentation from multiple versioned Git repositories into a single coherent site.
- AsciiDoc-based documentation
- Multi-repository aggregation
- Built-in versioning
- Static output
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
Antora vs Otter Wiki: key differences
Antora is written in JavaScript, while Otter Wiki is built with Python. Licensing differs — MPL-2.0 for Antora versus MIT for Otter Wiki. Otter Wiki is the lighter option, starting around 128 MB of RAM against 512 MB for Antora. Antora is the more established project (first released 2017), while Otter Wiki arrived in 2021. Otter Wiki lists first-class Docker deployment; Antora does not.
Why pick each one
Choose Antora if…
- Great for large multi-repo docs
- Strong versioning support
Watch out for
- AsciiDoc learning curve
- No web-based editing
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 Antora or Otter Wiki better?
Otter Wiki is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Antora if its specific feature set fits your needs better.
Are Antora and Otter Wiki free and open-source?
Yes. Antora is licensed under MPL-2.0 and Otter Wiki under MIT. Both can be self-hosted at no software cost.
Can I run Antora and Otter Wiki with Docker?
Antora: check the project docs for container support. Otter Wiki: yes.
Which is lighter on resources, Antora or Otter Wiki?
Otter Wiki has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Antora. Real-world usage depends on library size, user count, and enabled features.