Otter Wiki vs Tiki Wiki CMS Groupware
A side-by-side comparison of two self-hosted wikis & documentation options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Otter Wiki | Tiki Wiki CMS Groupware |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Category | Wikis & Documentation | Wikis & Documentation |
| License | MIT | LGPL-2.1 |
| Language | Python | PHP |
| Setup difficulty | Easy | Medium |
| Min. RAM | 128 MB | 512 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 1,544 | ★ 300 |
| First released | 2021 | 2002 |
| Replaces | Confluence, Notion | Confluence, SharePoint |
What are Otter Wiki and Tiki Wiki CMS Groupware?
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
Tiki Wiki CMS Groupware
Tiki Wiki CMS Groupware is an open-source platform combining a wiki, CMS, forums, and groupware features in a single application. It is known for having a very large set of built-in features.
- Wiki, CMS, and groupware in one
- Huge built-in feature set
- Forums and trackers
- Granular permissions
Otter Wiki vs Tiki Wiki CMS Groupware: key differences
Otter Wiki is written in Python, while Tiki Wiki CMS Groupware is built with PHP. Licensing differs — MIT for Otter Wiki versus LGPL-2.1 for Tiki Wiki CMS Groupware. Otter Wiki is the lighter option, starting around 128 MB of RAM against 512 MB for Tiki Wiki CMS Groupware. Tiki Wiki CMS Groupware is the more established project (first released 2002), while Otter Wiki arrived in 2021. Otter Wiki has the considerably larger community, at 1,544 GitHub stars versus 300.
Why pick each one
Choose Otter Wiki if…
- Easy to host and back up
- Clean, simple UI
Watch out for
- Basic feature set
- Smaller community
Choose Tiki Wiki CMS Groupware if…
- Everything included out of the box
- No add-ons needed for most needs
Watch out for
- Can feel overwhelming
- Interface is dated
Frequently asked questions
Is Otter Wiki or Tiki Wiki CMS Groupware better?
Otter Wiki is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Tiki Wiki CMS Groupware if its specific feature set fits your needs better.
Are Otter Wiki and Tiki Wiki CMS Groupware free and open-source?
Yes. Otter Wiki is licensed under MIT and Tiki Wiki CMS Groupware under LGPL-2.1. Both can be self-hosted at no software cost.
Can I run Otter Wiki and Tiki Wiki CMS Groupware with Docker?
Otter Wiki: yes. Tiki Wiki CMS Groupware: yes.
Which is lighter on resources, Otter Wiki or Tiki Wiki CMS Groupware?
Otter Wiki has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Tiki Wiki CMS Groupware. Real-world usage depends on library size, user count, and enabled features.