Docusaurus
Wikis & DocumentationDocumentation website generator built with React
Replaces GitBook, Confluence
Best Free Wikis & Documentation for self-hosting
The 36 best Free wikis & documentation you can self-host, ranked by community traction.
MkDocs
Wikis & DocumentationDocumentation site generator for technical teams
Replaces Confluence, GitBook
Gollum
Wikis & DocumentationA simple, Git-powered wiki with a sweet API
Replaces Confluence, Notion
TiddlyWiki
Wikis & DocumentationA non-linear personal web notebook in a single file
Replaces Notion, OneNote
Dendron
Wikis & DocumentationHierarchical note-taking and personal knowledge wiki
Replaces Notion, Confluence
MDwiki
Wikis & DocumentationCMS-free wiki that renders Markdown in the browser
Replaces Confluence
Raneto
Wikis & DocumentationFree, open, simple Markdown-powered knowledge base
Replaces Confluence, Zendesk Guide
zk
Wikis & DocumentationPlain-text note-taking and Zettelkasten assistant
Replaces Roam Research, Obsidian
Helpy
Wikis & DocumentationOpen-source helpdesk and knowledge base platform
Replaces Zendesk, Help Scout
Gitit
Wikis & DocumentationWiki program that stores pages and uploaded files in a git repository,
Zim
Wikis & DocumentationA desktop wiki and personal knowledge base
Replaces OneNote, Notion
Django Wiki
Wikis & DocumentationWiki application for the Django web framework
Replaces Confluence, MediaWiki
Otter Wiki
Wikis & DocumentationLightweight Git-backed documentation wiki
Replaces Confluence, Notion
LeafWiki
Wikis & DocumentationLightweight self-hosted wiki with Markdown stored on disk
Replaces DokuWiki, Confluence
Kiwix
Wikis & DocumentationOffline reader for Wikipedia and other knowledge
Replaces Wikipedia online
Feather Wiki
Wikis & DocumentationTiny single-file personal wiki for note taking
Replaces Notion, TiddlyWiki
Daux.io
Wikis & DocumentationFlat-file documentation generator rendered from Markdown
Replaces GitBook, Confluence
Realms Wiki
Wikis & DocumentationGit-backed wiki that stores pages as Markdown
Replaces Confluence
Antora
Wikis & DocumentationMulti-repository documentation site generator
Replaces Confluence, GitBook
Doctave
Wikis & DocumentationMarkdown documentation site generator with search
Replaces Confluence, GitBook
Wikmd
Wikis & DocumentationFile-based wiki using Markdown and Git
Replaces Confluence, Notion
Mycorrhiza Wiki
Wikis & DocumentationFilesystem and git-based wiki engine written in Go using Mycomarkup
MoinMoin
Wikis & DocumentationEasy-to-use, full-featured wiki engine in Python
Replaces Confluence
OutWiker
Wikis & DocumentationTree-structured notes and wiki desktop application
Replaces Notion, OneNote
Tiddloid
Wikis & DocumentationHost and edit single-file TiddlyWiki wikis
Replaces Evernote, OneNote
AmuseWiki
Wikis & DocumentationAmusewiki is based on the Emacs Muse markup, remaining mostly
WikidPad
Wikis & DocumentationSingle-user wiki notebook for thoughts and ideas
Replaces OneNote, Evernote
Pepperminty Wiki
Wikis & DocumentationComplete wiki engine contained in a single PHP file
Replaces DokuWiki, MediaWiki
YesWiki
Wikis & DocumentationEasy-to-use wiki for collaborative websites
Replaces Confluence, Notion
Foswiki
Wikis & DocumentationStructured wiki and enterprise collaboration platform
Replaces Confluence
Oddmuse
Wikis & DocumentationSimple wiki engine written in Perl
W
Wikis & DocumentationLightweight, mutli-user, flat-file-database Wiki engine
WackoWiki
Wikis & DocumentationLightweight and easy-to-install multilingual wiki
Replaces Confluence, Notion
PhpWiki
Wikis & DocumentationClassic PHP wiki engine, the first wiki in PHP
Replaces Confluence
WiKiss
Wikis & DocumentationWiki, simple to use and install
PmWiki
Wikis & DocumentationWiki-based system for collaborative creation and maintenance
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Docusaurus | Read-the-docs project | Medium | 512 MB | MIT | 66,481 |
| MkDocs | Read-the-docs project | Easy | 128 MB | BSD-2-Clause | 22,497 |
| Gollum | Under-an-hour setup | Medium | 256 MB | MIT | 14,333 |
| TiddlyWiki | Read-the-docs project | Easy | 64 MB | BSD-3-Clause | 8,689 |
| Dendron | Read-the-docs project | Medium | 512 MB | GPL-3.0 | 7,467 |
| MDwiki | Read-the-docs project | Easy | 64 MB | GPL-3.0 | 3,192 |
| Raneto | Under-an-hour setup | Easy | 256 MB | MIT | 2,903 |
| zk | Read-the-docs project | Easy | 64 MB | GPL-3.0 | 2,836 |
| Helpy | Under-an-hour setup | Medium | 1,024 MB | MIT | 2,469 |
| Gitit | Read-the-docs project | Medium | 512 MB | GPL-2.0 | 2,277 |
Quick picks
- Most adopted: Docusaurus (66,481 GitHub stars).
- Lightest footprint: Feather Wiki (from 32 MB RAM, against 1,024 MB for the heaviest here).
- Licensing: 10 of 36 use MIT; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged Free within the wikis & documentation category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.