Sorted by starting price

6 Cheapest Knowledge Base Software of 2026

By the Rankozo research desk · Updated November 12, 2026

Among the 10 tools in our best knowledge base software ranking, Confluence has the lowest verified paid starting price at $5.78 per user per month. Prices below are quoted from each vendor's US pricing page.

1. 01

   Confluence

   support teams documenting internal procedures and runbooks

   Free for 10 users; Standard from $5.78 per user per month, Premium $11.16

   Full entry, No. 4 overall

   Starts at

   $5.78

   Score 8.0

2. 02

   Freshdesk

   support teams that want ticketing and a help center on one low agent price

   Growth from $19 per agent per month billed annually; Pro $55, Enterprise $89

   Full entry, No. 2 overall

   Starts at

   $19

   Score 8.6

3. 03

   Help Scout Docs

   small support teams publishing their first help center

   Free plan with 1 Docs site; Standard from $25 per user per month billed annually, Plus $45, Pro $75

   Full entry, No. 1 overall

   Starts at

   $25

   Score 8.7

4. 04

   Zendesk

   mid-size and large support teams that need help centers across channels

   Support Team from $19 per agent per month paid yearly; Suite Team with help center and AI Knowledge Base $55, Suite Professional $115

   Full entry, No. 3 overall

   Starts at

   $55

   Score 8.1

5. 05

   HelpDocs

   support teams that want flat pricing for a public knowledge base

   Sprout from $99 per month billed annually ($129 monthly), Bloom $239, Harvest $399

   Full entry, No. 5 overall

   Starts at

   $99

   Score 8.0

6. 06

   KnowledgeOwl

   teams with one or two writers publishing a branded help center

   Basic from $100 per month, Pro $250, Business $500; extra authors $25 each

   Full entry, No. 8 overall

   Starts at

   $100

   Score 7.7

Scores and prices come from our Best Knowledge Base Software ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com