Best PHPKB Alternatives in 2026
Updated
20 apps from knowledge base software ranked against PHPKB on the same published basis.
- 1PHPKB vs Confluence
- 2PHPKB vs ProProfs Knowledge Base
- 3PHPKB vs Nuclino
- 4PHPKB vs Elium
- 5PHPKB vs Slite
- 6PHPKB vs IT Glue
- 7PHPKB vs Hudu
- 8PHPKB vs TheHelpFlow
- 9PHPKB vs Outline
- 10PHPKB vs Notejoy
- 11PHPKB vs Papyrs
- 12PHPKB vs BlueSpice
- 13PHPKB vs Intercom
- 14PHPKB vs GitBook
- 15PHPKB vs Docmost
- 16PHPKB vs Slab
- 17PHPKB vs Waybook
- 18PHPKB vs Lark
- 19PHPKB vs Wiki.js
- 20PHPKB vs BookStack
PHPKB alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Confluence | 9.7 | Free plan | $5.42/mo | Android, iOS, self-hosted, Web |
| 2 | ProProfs Knowledge Base | 9.7 | Free plan | $0.99/mo | Android, API, Browser, iOS, Web, Windows |
| 3 | Nuclino | 9.5 | Free plan | Free | Android, API, iOS, Linux, Mac, Web, Windows |
| 4 | Elium | 8.6 | No | €15/mo | Android, API, Browser, iOS, self-hosted, Web |
| 5 | Slite | 8.6 | No | $10/mo | Android, API, Browser, iOS, Mac, Web, Windows |
| 6 | IT Glue | 8.5 | No | $29/mo | Android, API, Browser, iOS, Web |
| 7 | Hudu | 8.5 | No | $27/mo | Android, API, Browser, iOS, self-hosted, Web |
| 8 | TheHelpFlow | 8.4 | No | $29/mo | Web, iOS, Android |
| 9 | Outline | 8.4 | No | $10/mo | Web, Windows, Mac, iOS, Android, Linux |
| 10 | Notejoy | 8.4 | Free plan | $5/mo | Android, iOS, Mac, Web, Windows |
| 11 | Papyrs | 8.4 | Free plan | — | Android, API, iOS, Linux, Mac, Web, Windows |
| 12 | BlueSpice | 8.2 | Free plan | €4.50/mo | self-hosted |
| 13 | Intercom | 8.2 | No | $19/mo | Android, iOS, Web |
| 14 | GitBook | 8.1 | Free plan | $65/mo | API, Web |
| 15 | Docmost | 8.0 | Free plan | — | API, self-hosted, Web |
| 16 | Slab | 7.8 | Free plan | $6.67/mo | Web, Windows, Mac |
| 17 | Waybook | 7.8 | No | $99/mo | Android, iOS, Web |
| 18 | Lark | 7.8 | Free plan | — | Android, API, iOS, Linux, Mac, Web, Windows |
| 19 | Wiki.js | 7.7 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 20 | BookStack | 7.6 | Free plan | £37.50/mo | API, Linux, self-hosted, Web |
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Questions about PHPKB alternatives
What is the best alternative to PHPKB?
Confluence, number 1 in knowledge base software with a score of 9.7 out of 10. The others here: ProProfs Knowledge Base, Nuclino, Elium and 16 more.
What is the best free alternative to PHPKB?
Confluence is the best-ranked alternative with a free plan. 12 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.