OutWiker vs WackoWiki

A side-by-side comparison of two self-hosted wikis & documentation options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureOutWikerWackoWiki
Deploy effortRead-the-docs projectUnder-an-hour setup
Health score77 · Good69 · Good
CategoryWikis & DocumentationWikis & Documentation
LicenseGPL-3.0BSD-3-Clause
LanguagePythonPHP
Setup difficultyEasyEasy
Min. RAM256 MB128 MB
Deploymentbinary, sourcebare-metal, docker, source
GitHub stars★ 331★ 55
First released20102003
ReplacesNotion, OneNoteConfluence, Notion

What are OutWiker and WackoWiki?

OutWiker

OutWiker is a cross-platform desktop application for storing notes and knowledge in a tree structure, functioning as a personal wiki. Each page can use wiki markup, HTML, or Markdown, and plugins extend its capabilities.

  • Tree-structured pages
  • Multiple markup modes
  • Plugin support
  • Cross-platform desktop app

WackoWiki

WackoWiki is a lightweight, open-source wiki engine focused on ease of installation and multilingual support. It includes WYSIWYG editing, access control, and file uploads.

  • Easy installation
  • WYSIWYG editing
  • Multilingual interface
  • Access control lists

OutWiker vs WackoWiki: key differences

OutWiker is written in Python, while WackoWiki is built with PHP. Licensing differs — GPL-3.0 for OutWiker versus BSD-3-Clause for WackoWiki. WackoWiki is the lighter option, starting around 128 MB of RAM against 256 MB for OutWiker. WackoWiki is the more established project (first released 2003), while OutWiker arrived in 2010. OutWiker has the considerably larger community, at 331 GitHub stars versus 55. WackoWiki lists first-class Docker deployment; OutWiker does not.

Why pick each one

Choose OutWiker if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Written in Python
  • Tiny footprint — runs in 256 MB RAM

Watch out for

  • Desktop only
  • No built-in collaboration
OutWiker details

Choose WackoWiki if…

  • Lightweight and simple
  • Good multilingual support

Watch out for

  • Small community
  • Limited extensions
WackoWiki details

Frequently asked questions

Is OutWiker or WackoWiki better?

Neither is universally better. OutWiker has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are OutWiker and WackoWiki free and open-source?

Yes. OutWiker is licensed under GPL-3.0 and WackoWiki under BSD-3-Clause. Both can be self-hosted at no software cost.

Can I run OutWiker and WackoWiki with Docker?

OutWiker: check the project docs for container support. WackoWiki: yes.

Which is lighter on resources, OutWiker or WackoWiki?

WackoWiki has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for OutWiker. Real-world usage depends on library size, user count, and enabled features.

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