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
3free plans on this page
€0.09/molowest paid tier
7 Oct 2026last checked
3 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 |
|---|---|---|---|---|---|---|---|
| 76 | DocumizeWindows · Mac · Linux | Two bars | — | — | 3 of 6 | $75/mo | 6.0 |
| 77 | Tiki Wiki CMS GroupwareWeb · Windows · Mac · Linux | One bar | — | — | 4 of 6 | — | 6.0 |
| 78 | WikifulNo platforms listed | Two bars | — | 0 of 6 | $10/mo | 6.0 | |
| 79 | HelpCenter.ioWeb | One bar | — | — | 1 of 6 | $29/mo | 5.9 |
| 80 | HelpjuiceWeb | One bar | — | — | 1 of 6 | — | 5.9 |
| 81 | ClickHelpWeb · API | One bar | — | — | 1 of 6 | $194/mo | 5.9 |
| 82 | ShelfWeb | No signal | — | — | 1 of 6 | — | 5.9 |
| 83 | CoveoWeb | No signal | — | — | 1 of 6 | — | 5.9 |
| 84 | BetterDocsWeb | Two bars | — | 1 of 6 | $5.75/mo | 5.9 | |
| 85 | HelpSiteWeb | One bar | — | — | 1 of 6 | — | 5.8 |
| 86 | KnowledgeOwlWeb | One bar | — | — | 1 of 6 | $100/mo | 5.8 |
| 87 | TettraWeb | One bar | — | — | 1 of 6 | $8/mo | 5.8 |
| 88 | WaybookWeb · Android · iPhone | Two bars | — | — | 3 of 6 | $99/mo | 5.8 |
| 89 | PHPKBWeb · Windows · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | $25/mo | 5.8 |
| 90 | BlueTweak Knowledge BaseWeb | One bar | — | — | 1 of 6 | €0.09/mo | 5.8 |
| 91 | FoswikiWeb · Windows · Mac · Linux · Self-hosted · API | Three bars | — | 4 of 6 | Free | 5.8 | |
| 92 | MkDocsWindows · Mac · Linux · Self-hosted | Two bars | — | — | 3 of 6 | — | 5.8 |
| 93 | DewstackWeb | One bar | — | — | 1 of 6 | $39/mo | 5.7 |
| 94 | HelpDocsWeb | One bar | — | — | 1 of 6 | $129/mo | 5.7 |
| 95 | FerndeskWeb | One bar | — | — | 1 of 6 | $149/mo | 5.7 |
| 96 | MadCap FlareWeb · Windows | One bar | — | — | 2 of 6 | $262.50/mo | 5.7 |
| 97 | ZoominWeb | No signal | — | — | 1 of 6 | — | 5.7 |
| 98 | Aha! KnowledgeWeb | One bar | — | — | 1 of 6 | $23/mo | 5.6 |
| 99 | HelpKitWeb | One bar | — | — | 1 of 6 | $19/mo | 5.6 |
| 100 | AntoraWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.6 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Publishing audience | Article limit |
|---|---|---|---|---|---|---|---|---|
| 76 | Documize | 6.0 | No | $75/mo | Yes | — | both | — |
| 77 | Tiki Wiki CMS Groupware | 6.0 | No | — | Yes | — | — | — |
| 78 | Wikiful | 6.0 | Free plan | $10/mo | Yes | $10/mo | both | — |
| 79 | HelpCenter.io | 5.9 | No | $29/mo | No | $29/mo | both | — |
| 80 | Helpjuice | 5.9 | No | — | No | — | both | — |
| 81 | ClickHelp | 5.9 | No | $194/mo | No | $194/mo | — | — |
| 82 | Shelf | 5.9 | No | — | — | — | — | — |
| 83 | Coveo | 5.9 | No | — | — | — | — | — |
| 84 | BetterDocs | 5.9 | Free plan | $5.75/mo | Yes | — | both | — |
| 85 | HelpSite | 5.8 | No | — | No | — | — | — |
| 86 | KnowledgeOwl | 5.8 | No | $100/mo | No | $100/mo | both | 1,000 articles |
| 87 | Tettra | 5.8 | No | $8/mo | No | — | both | — |
| 88 | Waybook | 5.8 | No | $99/mo | No | $99/mo | — | — |
| 89 | PHPKB | 5.8 | No | $25/mo | No | $25/mo | — | — |
| 90 | BlueTweak Knowledge Base | 5.8 | No | €0.09/mo | — | — | both | — |
| 91 | Foswiki | 5.8 | Free plan | Free | Yes | — | — | — |
| 92 | MkDocs | 5.8 | No | — | Yes | — | both | — |
| 93 | Dewstack | 5.7 | No | $39/mo | No | $39/mo | both | — |
| 94 | HelpDocs | 5.7 | No | $129/mo | No | $99/mo | both | — |
| 95 | Ferndesk | 5.7 | No | $149/mo | No | $149/mo | both | — |
| 96 | MadCap Flare | 5.7 | No | $262.50/mo | No | — | — | — |
| 97 | Zoomin | 5.7 | No | — | — | — | both | — |
| 98 | Aha! Knowledge | 5.6 | No | $23/mo | No | — | both | — |
| 99 | HelpKit | 5.6 | No | $19/mo | No | $19/mo | both | — |
| 100 | Antora | 5.6 | No | — | — | — | — | — |
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