Best Self-Hosted Knowledge Management Tools in 2026

Tools for capturing, organizing, and retrieving knowledge, notes, and information for individuals and teams.

The top-rated pick is AFFiNE with 68,329 GitHub stars.

3 self-hosted knowledge management tools — ranked by GitHub stars. Browse all

AFFiNE

Open-source knowledge base combining note-taking, whiteboard, and project planning in one workspace.

Alternative to:

Notion

TriliumNext Notes

Hierarchical personal knowledge base with powerful note-taking, rich text editing, and scripting capabilities.

Alternative to:

Notion

Focalboard

Open-source, self-hosted project management tool — a free alternative to Trello, Notion, and Asana.

Alternative to:

Trello

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.

Want to compare all open source options including cloud-hosted ones? See the best open source knowledge management tools →