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
7free plans on this page
$3.25/molowest paid tier
7 Oct 2026last checked
Knowledge base software in tiers by the score this site gives them, S at the top. 1 of the 25 on this page have an Android app.
B7.0 to 7.9
- 51 KMS Lighthouse 7.2
- 52 phpMyFAQ 7.2
- 53 ClickHelp$194/mo 7.2
- 54 VitePressFree 7.2
- 55 Heretto 7.1
- 56 Fluid Topics 7.1
- 57 HelpCenter.io$29/mo 7.1
- 58 Helpjuice 7.1
- 59 WaybookAndroid$99/mo 7.1
- 60 PHPKB$25/mo 7.1
- 61 SphinxFree 7.1
- 62 KnowledgeOwl$100/mo 7.0
- 63 Tettra$8/mo 7.0
- 64 Documize$75/mo 7.0
- 65 Dokly$99/mo 7.0
- 66 DocusaurusFree 7.0
- 67 DocFXFree 7.0
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Publishing audience | Article limit |
|---|---|---|---|---|---|---|---|---|
| 51 | KMS Lighthouse | 7.2 | No | — | — | — | both | — |
| 52 | phpMyFAQ | 7.2 | No | — | Yes | — | both | — |
| 53 | ClickHelp | 7.2 | No | $194/mo | No | $194/mo | — | — |
| 54 | VitePress | 7.2 | Free plan | Free | Yes | — | — | — |
| 55 | Heretto | 7.1 | No | — | — | — | — | — |
| 56 | Fluid Topics | 7.1 | No | — | — | — | — | — |
| 57 | HelpCenter.io | 7.1 | No | $29/mo | No | $29/mo | both | — |
| 58 | Helpjuice | 7.1 | No | — | No | — | both | — |
| 59 | Waybook | 7.1 | No | $99/mo | No | $99/mo | — | — |
| 60 | PHPKB | 7.1 | No | $25/mo | No | $25/mo | — | — |
| 61 | Sphinx | 7.1 | Free plan | Free | Yes | — | — | — |
| 62 | KnowledgeOwl | 7.0 | No | $100/mo | No | $100/mo | both | 1,000 articles |
| 63 | Tettra | 7.0 | No | $8/mo | No | — | both | — |
| 64 | Documize | 7.0 | No | $75/mo | Yes | — | both | — |
| 65 | Dokly | 7.0 | Free plan | $99/mo | Yes | $99/mo | both | — |
| 66 | Docusaurus | 7.0 | Free plan | Free | Yes | — | public | — |
| 67 | DocFX | 7.0 | Free plan | Free | Yes | — | — | — |
| 68 | Knowmax | 6.9 | No | — | — | — | — | — |
| 69 | HelpSite | 6.9 | No | — | No | — | — | — |
| 70 | Dewstack | 6.9 | No | $39/mo | No | $39/mo | both | — |
| 71 | HelpDocs | 6.9 | No | $129/mo | No | $99/mo | both | — |
| 72 | MadCap Flare | 6.9 | No | $262.50/mo | No | — | — | — |
| 73 | Tiki Wiki CMS Groupware | 6.9 | No | — | Yes | — | — | — |
| 74 | weDocs | 6.9 | Free plan | $3.25/mo | Yes | — | both | — |
| 75 | Help.center | 6.9 | Free plan | $19/mo | Yes | — | public | — |
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