Best Knowledge Base Software in 2026
Updated
138 knowledge base software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
138ranked
13free plans on this page
$3.25/molowest paid tier
7 Oct 2026last checked
13 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | TWikiWeb · Windows · Mac · Linux · Self-hosted | Three bars | — | 4 of 6 | Free | 7.0 | |
| 27 | GuruWeb | No signal | — | — | 1 of 6 | — | 6.8 |
| 28 | XWikiNo platforms listed | One bar | — | — | 0 of 6 | — | 6.8 |
| 29 | KBPublisherWeb · Self-hosted · API | Two bars | — | 1 of 6 | $498/mo | 6.8 | |
| 30 | USU Knowledge ManagementWeb · Windows · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | — | 6.7 |
| 31 | VitePressWeb · Windows · Mac · Linux | Three bars | — | 4 of 6 | Free | 6.7 | |
| 32 | ScalarWeb · Windows · Mac · Linux · Self-hosted · API | Three bars | — | 4 of 6 | $150/mo | 6.7 | |
| 33 | LarkWeb · Windows · Mac · Linux · Android · iPhone · API | Three bars | — | 6 of 6 | Free | 6.7 | |
| 34 | OutlineWeb · Windows · Mac · Linux · Android · iPhone | Two bars | — | — | 6 of 6 | $10/mo | 6.6 |
| 35 | SliteWeb · Windows · Mac · Android · iPhone · API · Extension | Two bars | — | — | 5 of 6 | $10/mo | 6.6 |
| 36 | weDocsNo platforms listed | Two bars | — | 0 of 6 | $3.25/mo | 6.6 | |
| 37 | Help.centerWeb | Two bars | — | 1 of 6 | $19/mo | 6.6 | |
| 38 | DoklyWeb | Two bars | — | 1 of 6 | $99/mo | 6.6 | |
| 39 | DocusaurusWeb · Self-hosted | Two bars | — | 1 of 6 | Free | 6.6 | |
| 40 | DocFXWindows · Mac · Linux · Self-hosted · API | Three bars | — | 3 of 6 | Free | 6.6 | |
| 41 | SphinxWeb · Windows · Mac · Linux · Self-hosted · API | Three bars | — | 4 of 6 | Free | 6.6 | |
| 42 | EliumWeb · Android · iPhone · Self-hosted · API · Extension | Two bars | — | — | 3 of 6 | €15/mo | 6.5 |
| 43 | Verint Knowledge ManagementWeb | No signal | — | — | 1 of 6 | — | 6.5 |
| 44 | Read the DocsWeb | One bar | — | — | 1 of 6 | $50/mo | 6.5 |
| 45 | ZiiklyWeb | Two bars | — | 1 of 6 | Free | 6.5 | |
| 46 | WikidotWeb | Two bars | — | 1 of 6 | Free | 6.5 | |
| 47 | Document360Web · API · Extension | One bar | — | — | 1 of 6 | — | 6.4 |
| 48 | TheHelpFlowWeb · Android · iPhone | Two bars | — | — | 3 of 6 | $29/mo | 6.4 |
| 49 | IT GlueWeb · Android · iPhone · API · Extension | Two bars | — | — | 3 of 6 | $29/mo | 6.4 |
| 50 | HuduWeb · Android · iPhone · Self-hosted · API · Extension | Two bars | — | — | 3 of 6 | $27/mo | 6.4 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Publishing audience | Article limit |
|---|---|---|---|---|---|---|---|---|
| 26 | TWiki | 7.0 | Free plan | Free | Yes | — | — | — |
| 27 | Guru | 6.8 | No | — | — | — | internal | — |
| 28 | XWiki | 6.8 | No | — | Yes | — | both | — |
| 29 | KBPublisher | 6.8 | Free plan | $498/mo | Yes | $33/mo | — | — |
| 30 | USU Knowledge Management | 6.7 | No | — | — | — | — | — |
| 31 | VitePress | 6.7 | Free plan | Free | Yes | — | — | — |
| 32 | Scalar | 6.7 | Free plan | $150/mo | Yes | $150/mo | — | — |
| 33 | Lark | 6.7 | Free plan | — | Yes | — | — | — |
| 34 | Outline | 6.6 | No | $10/mo | No | $10/mo | both | — |
| 35 | Slite | 6.6 | No | $10/mo | No | — | both | — |
| 36 | weDocs | 6.6 | Free plan | $3.25/mo | Yes | — | both | — |
| 37 | Help.center | 6.6 | Free plan | $19/mo | Yes | — | public | — |
| 38 | Dokly | 6.6 | Free plan | $99/mo | Yes | $99/mo | both | — |
| 39 | Docusaurus | 6.6 | Free plan | Free | Yes | — | public | — |
| 40 | DocFX | 6.6 | Free plan | Free | Yes | — | — | — |
| 41 | Sphinx | 6.6 | Free plan | Free | Yes | — | — | — |
| 42 | Elium | 6.5 | No | €15/mo | No | — | — | — |
| 43 | Verint Knowledge Management | 6.5 | No | — | — | — | both | — |
| 44 | Read the Docs | 6.5 | No | $50/mo | Yes | $50/mo | both | — |
| 45 | Ziikly | 6.5 | Free plan | Free | Yes | — | internal | — |
| 46 | Wikidot | 6.5 | Free plan | Free | Yes | — | — | — |
| 47 | Document360 | 6.4 | No | — | No | — | both | — |
| 48 | TheHelpFlow | 6.4 | No | $29/mo | No | — | both | — |
| 49 | IT Glue | 6.4 | No | $29/mo | No | — | — | — |
| 50 | Hudu | 6.4 | No | $27/mo | No | — | — | — |
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