Top 11 GDPR-compliant customer support · knowledge management

Document360 is the highest-ranked Top 11 Document360 vs Zendesk Guide vs Intercom Articles: 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 Document360 vs Zendesk Guide vs Intercom Articles: 11 Best Knowledge Base Software 2026.

  1. #1Document360(rank #1 in Document360 vs Zendesk Guide vs Intercom Articles: 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 Document360 vs Zendesk Guide vs Intercom Articles: 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 Document360 vs Zendesk Guide vs Intercom Articles: 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 Document360 vs Zendesk Guide vs Intercom Articles: 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 Document360 vs Zendesk Guide vs Intercom Articles: 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 Document360 vs Zendesk Guide vs Intercom Articles: 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 Document360 vs Zendesk Guide vs Intercom Articles: 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 Document360 vs Zendesk Guide vs Intercom Articles: 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 Document360 vs Zendesk Guide vs Intercom Articles: 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 Document360 vs Zendesk Guide vs Intercom Articles: 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

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