Best Knowledge Base Software in 2026
Updated
In short: ProProfs Knowledge Base is ranked #1 of 133 as of 3 October 2026, ahead of GitBook and Nuclino. The best-ranked option with a free plan is GitBook. The lowest first paid tier on this page is Slite at $0.83/mo.
Knowledge base software supports publishing and maintaining information that people need to find and use. Compare article limits, publishing audience and content analytics to understand how each option handles a growing body of material. Version history and SSO support offer additional points to weigh for maintenance and access, while custom domains, free plans and paid-from pricing can affect your setup and budget. The ranking starts with ProProfs Knowledge Base, GitBook and Nuclino, followed by Docmost and Wiki.js. Think about who needs access to your content, how it will be published, and which listed controls and insights matter to the team responsible for keeping it current.
133 knowledge base software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Publishing audience | |
|---|---|---|---|---|---|---|---|---|
| 1 | ProProfs Knowledge Base | 8.9 | RecognisedAPIDocumented | $0.99/mo | Yes | Free | both | View |
| 2 | GitBook | 8.8 | RecognisedAPIDocumented | $65/mo | Yes | $65/mo | both | View |
| 3 | Nuclino | 8.7 | RecognisedAPIDocumented | Free | Yes | — | both | View |
| 4 |  Docmost | 8.7 | RecognisedAPIDocumented | — | Yes | — | both | View |
| 5 | Wiki.js | 8.5 | RecognisedAPIDocumented | Free | Yes | — | both | View |
| 6 | BookStack | 8.4 | RecognisedAPIDocumented | £37.50/mo | Yes | — | both | View |
| 7 | Docsie | 8.3 | RecognisedAPIDocumented | $170/mo | Yes | $170/mo | — | View |
| 8 |  Helpable | 8.3 | RecognisedAPIDocumented | $25/mo | Yes | $25/mo | both | View |
| 9 | Redocly | 8.1 | RecognisedAPIDocumented | $10/mo | No | — | both | View |
| 10 | Elium | 8.0 | RecognisedAPIDocumented | €15/mo | No | — | — | View |
| 11 | Slite | 8.0 | RecognisedAPIDocumented | $0.83/mo | No | — | both | View |
| 12 | Hudu | 8.0 | RecognisedAPIDocumented | — | No | — | — | View |
| 13 | USU Knowledge Management | 8.0 | RecognisedAPIDocumented | — | — | — | — | View |
| 14 | IT Glue | 7.9 | RecognisedAPIDocumented | $29/mo | No | — | — | View |
| 15 | Help Scout | 7.9 | RecognisedAPIDocumented | $25/mo | Yes | $25/mo | Customers | View |
| 16 | Papyrs | 7.8 | RecognisedAPIDocumented | — | Yes | $89/mo | — | View |
| 17 |  KBPublisher | 7.8 | RecognisedAPIDocumented | $498/mo | Yes | $33/mo | — | View |
| 18 | Paligo | 7.7 | RecognisedAPIDocumented | $416.67/mo | No | — | — | View |
| 19 | ClickHelp | 7.6 | RecognisedAPIDocumented | $16.17/mo | No | $194/mo | — | View |
| 20 | Confluence | 7.5 | RecognisedAPIDocumented | $5.42/mo | Yes | Free | both | View |
| 21 | BlueSpice | 7.5 | RecognisedAPIDocumented | €4.50/mo | Yes | Free | both | View |
| 22 | Scalar | 7.4 | RecognisedAPIDocumented | $150/mo | Yes | $150/mo | — | View |
| 23 | XWiki | 7.3 | RecognisedAPIDocumented | — | Yes | — | both | View |
| 24 |  KronoDesk | 7.3 | RecognisedAPIDocumented | $195.76/mo | No | $195.76/mo | — | View |
| 25 | Slab | 7.2 | RecognisedAPIDocumented | $6.67/mo | Yes | — | both | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which knowledge base software is ranked first on Inferse?
ProProfs Knowledge Base is ranked #1 of 133 with a score of 8.9. GitBook is second and Nuclino third.
How many of these have a free plan?
15 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Slite has the lowest first paid tier we found: $0.83/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.