Top 11 GDPR-compliant customer support · knowledge management

Document360 is the highest-ranked Top 11 The 11 Best Knowledge Base Software (2026) provider holding GDPR compliance.

Why this answer

Filtered to entries that publicly document GDPR compliance (in their security page, trust center, or marketing collateral). "In progress" claims do not qualify.

Showing all 10 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked The 11 Best Knowledge Base Software (2026).

  1. #1Document360(rank #1 in The 11 Best Knowledge Base Software (2026))

    SOC 2 Type II, GDPR, ISO 27001

    A purpose-built KB platform that excels in content management, analytics, and customization for serious documentation needs.

    Full Document360 review · Compare: Document360 vs Intercom Articles · Alternatives

  2. #2Intercom Articles(rank #3 in The 11 Best Knowledge Base Software (2026))

    SOC 2 Type II, GDPR, HIPAA

    Delivers proactive, contextual help inside your app through its best-in-class messenger.

    Full Intercom Articles review · Alternatives

  3. #3Guru(rank #4 in The 11 Best Knowledge Base Software (2026))

    SOC 2 Type II, GDPR

    Pushes trusted internal knowledge directly into your team's existing workflows and tools.

    Full Guru review · Alternatives

  4. #4Confluence(rank #5 in The 11 Best Knowledge Base Software (2026))

    SOC 2, SOC 3, ISO 27001, GDPR

    The industry standard for internal technical documentation, with deep Jira integration.

    Full Confluence review · Alternatives

  5. #5Notion(rank #6 in The 11 Best Knowledge Base Software (2026))

    SOC 2 Type II, GDPR

    An incredibly flexible all-in-one tool with a best-in-class editor for building custom internal wikis.

    Full Notion review · Alternatives

  6. #6Slab(rank #7 in The 11 Best Knowledge Base Software (2026))

    SOC 2 Type II, GDPR

    A clean, fast, and focused alternative to Confluence for modern internal knowledge bases.

    Full Slab review · Alternatives

  7. #7Help Scout Docs(rank #8 in The 11 Best Knowledge Base Software (2026))

    SOC 2 Type II, GDPR, HIPAA

    A simple, clean, and effective KB that's perfectly integrated with its user-friendly help desk.

    Full Help Scout Docs review · Alternatives

  8. #8Freshdesk(rank #9 in The 11 Best Knowledge Base Software (2026))

    SOC 2 Type II, ISO 27001, GDPR, HIPAA

    A capable KB within a feature-rich, affordable, all-in-one customer support suite.

    Full Freshdesk review · Alternatives

  9. #9Helpjuice(rank #10 in The 11 Best Knowledge Base Software (2026))

    GDPR

    A standalone KB with a hyper-focus on delivering a powerful search experience and deep analytics.

    Full Helpjuice review · Alternatives

  10. #10GitBook(rank #11 in The 11 Best Knowledge Base Software (2026))

    SOC 2 Type II, GDPR

    A specialized KB for creating beautiful, developer-friendly technical documentation and API references.

    Full GitBook review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .