Best PHPKB Alternatives in 2026
The top PHPKB alternatives are Confluence, Nuclino and XWiki: 15 knowledge management software our editors would look at instead of PHPKB, in our ranking order.
PHPKB: A traditional knowledge base with strong publishing controls and cloud or self-hosted options. Where it falls short: cloud pricing starts at $25 per month and is based on admin accounts.
Switching from PHPKB? For most knowledge management software buyers the best PHPKB alternative is Confluence, built for teams building a broad knowledge hub.
Why People Look for a PHPKB Alternative
- Cloud pricing starts at $25 per month and is based on admin accounts
- The $25 monthly Standard cloud license does not include the listed Enterprise features
- Integrations are limited to LDAP, SAML 2.0 SSO, the Knowledge Base API, and OAuth
- No free plan — 11 of the alternatives below have it
- No mobile app — 1 of the alternatives below has it
Quick Picks by What You Need
- Best overallConfluence9.4
Teams building a broad knowledge hub
Visit Confluence - Lowest priceConfluence9.4
Paid plans from $5.42/user/mo
Visit Confluence - Best free optionConfluence9.4
Has a free plan (PHPKB has none)
Visit Confluence - Best for mobile appPearltrees8.3
Mobile app (PHPKB: no)
Visit Pearltrees
All 15 PHPKB Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forTeams building a broad knowledge hub
- Better than PHPKB:
- Free plan
- Paid from: $5.42/user/mo vs $25/user/mo
- Editor score 9.4 vs 6.8
A flexible team wiki with broad integrations, mobile apps, and self-hosted deployment.
- Single sign-on
- Version history
9.4/10★★★★★Visit Confluence -
Best forTeams organizing shared knowledge across projects
- Better than PHPKB:
- Free plan
- Editor score 9.2 vs 6.8
A flexible team knowledge workspace with publishing, AI search, and broad platform support.
- Single sign-on
- Version history
9.2/10★★★★★Visit Nuclino -
Best forTeams seeking open-source, self-hosted knowledge management
- Better than PHPKB:
- Free plan
- Editor score 9.0 vs 6.8
A flexible wiki for teams that want structured knowledge and cloud or self-hosted deployment.
- Single sign-on
- Version history
9.0/10★★★★☆Visit XWiki -
Best forDeveloper documentation teams
- Better than PHPKB:
- Free plan
- Editor score 8.9 vs 6.8
A Git-connected documentation platform with publishing, review workflows, and API playgrounds.
- Single sign-on
- Version history
8.9/10★★★★☆Visit GitBook -
Best forTeams needing self-hosted hierarchical documentation
- Better than PHPKB:
- Free plan
- Editor score 8.8 vs 6.8
BookStack organizes searchable documentation into books, chapters, and pages.
- Single sign-on
- Version history
8.8/10★★★★☆Visit BookStack -
Best forClassic open-source wiki deployments
- Better than PHPKB:
- Free plan
- Editor score 8.7 vs 6.8
A flexible, free wiki for teams prepared to host and maintain it themselves.
- Single sign-on
- Version history
8.7/10★★★★☆Visit MediaWiki -
Best forTeams building feature-rich self-hosted portals
- Better than PHPKB:
- Free plan
- Editor score 8.6 vs 6.8
A broad, multilingual wiki and portal toolkit for teams that want control over deployment.
8.6/10★★★★☆Visit Tiki -
Best forTeams wanting an all-in-one workplace
- Better than PHPKB:
- Free plan
- Editor score 8.5 vs 6.8
A broad collaboration suite with wiki tools for teams that want an all-in-one workplace.
8.5/10★★★★☆Visit Lark -
Best forMinimalist personal or self-hosted wikis
- Better than PHPKB:
- Free plan
- Editor score 8.4 vs 6.8
A flexible open-source wiki for personal knowledge and small self-hosted groups.
8.4/10★★★★☆Visit TiddlyWiki -
Best forPersonal or shared content collections
- Better than PHPKB:
- Free plan
- Mobile app
- Editor score 8.3 vs 6.8
A flexible, low-cost way to curate content, but not a full managed knowledge base.
- Mobile app
- Granular permissions
- Single sign-on
8.3/10★★★★☆Visit Pearltrees -
Best forMid-market and enterprise knowledge discovery
- Better than PHPKB:
- Editor score 8.3 vs 6.8
Permission-aware search and sourced AI answers bring workplace knowledge into team workflows.
- Single sign-on
- Version history
8.3/10★★★★☆Visit Guru -
Best forMid-market and enterprise knowledge ecosystems
- Better than PHPKB:
- Editor score 8.3 vs 6.8
A governed knowledge hub with AI search, broad connectors, and sales-led pricing.
- Single sign-on
- Version history
8.3/10★★★★☆Visit Bloomfire -
Best forTeams organizing shared knowledge and tracking its use
- Better than PHPKB:
- Free plan
- Paid from: $6.67/user/mo vs $25/user/mo
- Editor score 8.3 vs 6.8
Slab brings team knowledge, connected-tool search, and usage insights into one workspace.
- Single sign-on
- Version history
8.3/10★★★★☆Visit Slab -
Best forProfessional knowledge-base publishers
- Better than PHPKB:
- Editor score 8.3 vs 6.8
A publishing-focused knowledge platform with workflows, analytics, integrations, and AI tools.
- Single sign-on
- Version history
8.3/10★★★★☆Visit Document360 -
Best forTeams organizing and verifying shared documentation
- Better than PHPKB:
- Paid from: $10/user/mo vs $25/user/mo
- Editor score 8.3 vs 6.8
A cross-platform team knowledge base with verification, AI search, and connected-tool integrations.
- Single sign-on
- Version history
8.3/10★★★★☆Visit Slite
PHPKB Alternatives: Common Questions
What is the best alternative to PHPKB?
Confluence: #1 in our Knowledge Management Software ranking, with an editor score of 9.4 out of 10. A flexible team wiki with broad integrations, mobile apps, and self-hosted deployment.
Is there a free alternative to PHPKB?
Yes. Confluence, Nuclino, XWiki, GitBook and BookStack have a free plan or a free tier (11 of the 15 alternatives on this page).
What is the cheapest paid alternative to PHPKB?
Of the alternatives here that publish a price, Confluence starts lowest, at $5.42/user/mo.
Why do people look for PHPKB alternatives?
Cloud pricing starts at $25 per month and is based on admin accounts; The $25 monthly Standard cloud license does not include the listed Enterprise features; Integrations are limited to LDAP, SAML 2.0 SSO, the Knowledge Base API, and OAuth.
How do I switch from PHPKB?
Export your data from PHPKB (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel PHPKB.
How to Switch from PHPKB
- Export your data from PHPKB (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel PHPKB.
PHPKB vs Each Alternative
| # | Tool | Free plan | Paid from | Single sign-on | Version history | Score |
|---|---|---|---|---|---|---|
| 31 | PHPKB | No | $25/mo | Yes | Yes | 6.8 |
| 1 | Confluence | Yes | $5.42/user/mo | Yes | Yes | 9.4 |
| 2 | Nuclino | Yes | Yes | Yes | 9.2 | |
| 3 | XWiki | Yes | Yes | Yes | 9.0 | |
| 4 | GitBook | Yes | $65/site/mo | Yes | Yes | 8.9 |
| 5 | BookStack | Yes | Free | Yes | Yes | 8.8 |
| 6 | MediaWiki | Yes | Free | Yes | Yes | 8.7 |
| 7 | Tiki Wiki CMS Groupware | Yes | Free | 8.6 | ||
| 8 | Lark | Yes | 8.5 | |||
| 9 | TiddlyWiki | Yes | Free | 8.4 | ||
| 10 | Pearltrees | Yes | $29.99/yr | Yes | Yes | 8.3 |
| 11 | Guru | Yes | Yes | 8.3 | ||
| 12 | Bloomfire | No | Yes | Yes | 8.3 | |
| 13 | Slab | Yes | $6.67/user/mo | Yes | Yes | 8.3 |
| 14 | Document360 | No | Yes | Yes | 8.3 | |
| 15 | Slite | No | $10/user/mo | Yes | Yes | 8.3 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update