Best Self-Hosted Internal Knowledge Base in 2026

Platforms for building internal wikis, documentation hubs, and knowledge bases for teams and organizations.

The top-rated pick is Docmost with 21,776 GitHub stars.

3 self-hosted internal knowledge base — ranked by GitHub stars.Browse all

Docmost

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

Alternative to:

Confluence

Apache Answer

Open-source Q&A platform for communities, help centers, and internal team knowledge bases, with voting, reputation, and a plugin system.

Alternative to:

Stack Overflow

XWiki

Open-source wiki platform for teams and enterprises, offering structured content, apps, and custom page development.

Alternative to:

Confluence

Why self-host?

Self-hosting puts you in control. You own your data, avoid vendor lock-in, and eliminate recurring subscription costs. For teams handling sensitive data or operating under strict compliance requirements, running your own infrastructure is often the only viable option.