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Head-to-head · Knowledge Base Software

XWiki vs Slab

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score XWiki #4 in Knowledge Base Software 8.9/10 Free plan · 10-day trial Free planFree trial✓ 4 of 4 features Visit XWiki
Slab #14 in Knowledge Base Software 7.9/10 Free plan · 14-day trial Free planFree trial✓ 4 of 4 features Visit Slab

XWiki leads on 0 checks, Slab on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreXWiki · 8.9/10
  • Free planboth
  • Free trialboth

XWiki scores higher on our rubric for knowledge base software: 8.9 against 7.9 out of 10; our editors rank them #4 and #14.

XWiki is the better fit for open-source organizations needing enterprise wiki controls. Slab is the better fit for teams seeking affordable collaborative knowledge sharing.

  • XWiki fits best

    Open-source organizations needing enterprise wiki controls

  • Slab fits best

    Teams seeking affordable collaborative knowledge sharing

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.

Side by side

Feature XWiki 8.9/10 Visit ↗ Slab 7.9/10 Visit ↗
At a glance
Editor score 8.9 7.9
Ranking #4 in Knowledge Base Software #14 in Knowledge Base Software
Best for Open-source organizations needing enterprise wiki controls Teams seeking affordable collaborative knowledge sharing
Pricing model Free plan + paid Free plan + paid
Starting price — $6.67/user/mo
Free plan ✓ ✓
Free trial 10 days 14 days
Free trial length 10 days 14 days
Money-back guarantee 30 days 30 days
Deployment Cloud, Self-hosted Cloud, Desktop, Browser extension
Platforms Web, Linux, Windows Web, Windows, macOS, Chrome extension
Support Email, Tickets, Community, Docs Email, Live chat, Docs
Compliance ISO 27001 SOC 2, GDPR, SSO/SAML, 2FA
Integrations 1,000+ integrations 20 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features XWiki 4/4 · Slab 4/4
Custom domain ✓ ✓
SSO support ✓ ✓
Version history ✓ ✓
Content analytics ✓ ✓
Specs
Publishing audience Both Both
Article limit Not checked yet Not checked yet
Our review
Pros
  • Free open-source Community plan with on-premises deployment
  • Granular rights, version comparison, rollback, templates, and forms
  • LDAP, Active Directory, Entra ID, OnlyOffice, and REST API support
  • Free plan supports up to 10 users with unlimited posts and topics
  • Search spans Slab and connected tools, including Slack and GitHub
  • Version restore, verification, analytics, SSO, API, and webhooks
Cons
  • Professional and enterprise support require paid plans
  • Cloud pricing uses a dynamic team-size calculator
  • Some advanced analytics capabilities depend on extensions
  • Free plan limits version history to 90 days
  • Advanced identity and API features require the Business plan
  • Enterprise requires at least 100 users
Our verdict

XWiki is an open-source wiki and knowledge management platform for organizations building internal knowledge bases, collaborative documentation, intranets, public websites, or structured business applications. It supports both WYSIWYG and…

Read the review →

Slab is a web-based knowledge base and wiki for organizations that need a shared place for policies, procedures, onboarding material, engineering guides, and other team knowledge. Teams can collaboratively edit posts, organize content into…

Read the review →
  1. XWikiKnowledge Base Software 8.9Free plan · 10-day trial
  2. SlabKnowledge Base Software 7.9Free plan · 14-day trial

Strengths and trade-offs

  • XWiki — where it wins

    • Free open-source Community plan with on-premises deployment
    • Granular rights, version comparison, rollback, templates, and forms
    • LDAP, Active Directory, Entra ID, OnlyOffice, and REST API support

    Where it doesn't

    • Professional and enterprise support require paid plans
    • Cloud pricing uses a dynamic team-size calculator
    • Some advanced analytics capabilities depend on extensions

  • Slab — where it wins

    • Free plan supports up to 10 users with unlimited posts and topics
    • Search spans Slab and connected tools, including Slack and GitHub
    • Version restore, verification, analytics, SSO, API, and webhooks

    Where it doesn't

    • Free plan limits version history to 90 days
    • Advanced identity and API features require the Business plan
    • Enterprise requires at least 100 users
  • XWiki8.9/10 · Free plan · 10-day trial

    A flexible open-source wiki for organizations that need control, structure, and deployment choice.

    Visit XWikiFull verdict →
  • Slab7.9/10 · Free plan · 14-day trial

    An affordable team knowledge base with strong search, history, and integration support.

    Visit SlabFull verdict →

More comparisons

All knowledge base software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update