Docs & Wikis
Open-source docs and wiki tools
15 of the 52 docs and wiki tools in this directory are open source, according to their own sites.
All of them are free or have a free plan.
Listings checked up to Oct 9, 2026 · Where the facts come from
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| OutlineFast team knowledge base and wiki, cloud-hosted or self-hosted | Free plan · from $10/mo | Yes | Web, macOS, Windows |
| BookStackFree self-hosted wiki organized into books, chapters and pages | Free plan · from £450/yr | Yes | Web |
| Wiki.jsOpen-source wiki software built on Node.js with Git sync | Free | Free | Web |
| MediaWikiThe free wiki software that powers Wikipedia | Free | Free | Web |
| DokuWikiOpen-source wiki software that needs no database | Free | Free | Web |
| XWikiOpen-source enterprise wiki with structured data and apps | Free plan · from €309/yr | Yes | Web |
| DocmostOpen-source collaborative wiki you deploy on your own servers | Free plan · from $6/mo | Yes | Web |
| ONLYOFFICEOpen-source office suite for documents, sheets, slides and PDFs | Free plan · from $20/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| Collabora OnlineSelf-hosted, open-source office suite based on LibreOffice | Free plan · from $3.40/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| CryptPadEnd-to-end encrypted, open-source collaborative office suite | Free plan · from €5/mo | Yes | Web |
| EtherpadOpen-source real-time collaborative editor you host yourself | Free | Free | Web, macOS, Windows, Linux |
| HedgeDocOpen-source, self-hosted collaborative Markdown editor | Free | Free | Web |
| BlueSpiceOpen-source enterprise wiki built on MediaWiki | Free plan · from $1,620/yr | Yes | Web |
| DocumizeSelf-hosted knowledge base with approvals and analytics | Free plan · from $900/yr | Yes | Web |
| GramaxOpen-source knowledge base that stores Markdown in Git | Free plan · from $20/mo | Yes | Web, macOS, Windows, Linux |
Common questions
Which docs and wiki tools are open source?
15 of the 52 docs and wiki tools in this directory are open source, according to their own sites. They are Outline, BookStack, Wiki.js, MediaWiki, DokuWiki, XWiki, Docmost, ONLYOFFICE, Collabora Online, CryptPad, Etherpad, HedgeDoc, BlueSpice, Documize and Gramax.
When was this checked?
Each listing shows its own date. On this page they run from Oct 5, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.