All knowledge base software reviews

12 tools tested on Business or comparable tier. Ranked by score; not by ad spend. Every review carries a realism check on vendor deflection claims.

Document360

8.7/10

Document360 review 2026. Score 8.7/10. Best for documentation-heavy external help centers. Tested on Business tier with Eddy AI add-on.

£149/seat Business Stage 5

Guru

8.3/10

Guru knowledge base review 2026. Score 8.3/10. Best for AI-powered internal knowledge that surfaces in Slack, Chrome, and any web app.

£15/user Builder + AI Stage 5

Help Scout

8.1/10

Help Scout review 2026. Score 8.1/10. Best for SMB support teams wanting measurable ticket deflection. Beacon widget is the best sub-£100/user deflection mechanism in the category.

£20/user Standard Stage 5

Confluence

7.6/10

Confluence review 2026. Score 7.6/10. Best for Atlassian enterprise teams. Real cost with Atlassian Access: £12-15/user/mo.

£8.97/user Premium Stage 5

Notion

7.6/10

Notion review 2026. Score 7.6/10. Best for internal wikis under 50 people. Skip if you need an external help center or approval workflows.

£15/user/mo Business Stage 5

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