Open Source Wiki Software Projects

Collaborative platforms for creating and maintaining structured documentation, wikis, and team knowledge bases.

Alexandrie

Self-hosted knowledge base with extended Markdown editor, Kanban, OIDC/SSO, PWA and offline support.

Alternative to:

Notion

BookStack

Open source wiki and documentation platform with a books/shelves/pages model — a simple, self-hostable alternative to Confluence and Notion.

Alternative to:

Adobe Acrobat

Docmost

Open-source collaborative wiki and documentation platform, an alternative to Confluence and Notion.

Alternative to:

Confluence

Golocron

Golocron is a plug-and-play blogging and wiki system designed for Go backends. Markdown support, live preview, and a clean UI for quick content sites.

Alternative to:

WordPress

Huly

All-in-one open source platform that combines project management, CRM, chat, HR, and wiki as an alternative to Linear, Jira, Slack, and Notion.

Alternative to:

Notion

Outline

The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.

Alternative to:

Notion

Wiki.js

Wiki.js is a modern, powerful open-source wiki app built on Node.js. Versioned, searchable, beautiful, and self-hosted — a knowledge base for any team.

Alternative to:

Notion

kuku

Open-source local-first Markdown workspace for macOS with wiki, AI editing, and encrypted sync.

Alternative to:

Obsidian