Best Open Source Wiki Software in 2026
Collaborative platforms for creating and maintaining structured documentation, wikis, and team knowledge bases.
The most popular pick this year is Wiki.js with 28,302 GitHub stars, but all 3 options below are worth considering depending on your needs.
3 open source wiki software — ranked by GitHub stars. Browse all
Wiki.js
Wiki.js | A modern and powerful wiki app built on Node.js
Notion
Docmost
Open-source collaborative wiki and documentation platform, an alternative to Confluence and Notion.
Confluence
Golocron
A plug-and-play blogging and wiki system for Go backends with Markdown support and live preview.
WordPressHow we rank these tools
Tools are ranked by GitHub stars as a proxy for community adoption and trust. Stars reflect how many developers found a project valuable enough to bookmark — a reasonable signal for quality in the open source world. We only list tools that are actively maintained and open source.
Looking for tools you can run yourself? Browse self-hosted wiki software →