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Best Knowledge Base Software in 2026 — page 2

  1. 26

    BlueSpice

    by BlueSpice
    Free plan Self-hosted

    BlueSpice combines company wiki tools with multiple hosting choices, migration assistance and support options.

    7.2 Free plan · paid from €4.50/user/mo (annual) · 30-day trial Visit site
  2. 27

    Redocly

    by Redocly
    Free plan APIExtensionWeb

    Redocly brings API references, collaboration, governance, and monitoring into one product set, with an open-source CLI and VS Code extension.

    7.2 From $10/user/mo · 30-day trial Visit site
  3. 28

    TWiki

    by TWiki
    Free plan LinuxMacSelf-hosted+2

    TWiki provides structured wiki tools, access controls, and extensibility for self-hosted collaboration and web applications.

    7.2 Free plan Visit site
  4. 29

    Antora

    Free plan LinuxMacSelf-hosted+1

    Choose Antora if you need an open-source generator for AsciiDoc documentation sourced from Git and organized by repository branches.

    7.2 Open source Visit site
  5. 30

    Foswiki

    Free plan APILinuxMac+3

    Choose Foswiki if you want a free, self-hosted collaboration platform with structured pages, revision history, and flexible permissions.

    7.2 Free plan Visit site
  6. 31

    Read the Docs

    by Read the Docs
    Free plan Web

    Read the Docs covers documentation builds, versioning, search, and previews across its plans. The free Community offering is limited to public projects and ad-supported hosting.

    7.1 Free plan · paid from $50/mo · 30-day trial Visit site
  7. 32

    ReadMe

    by ReadMe
    Free plan Web
    7.1 Free plan · paid from $250/mo (annual) · 14-day trial Visit site
  8. 33

    Helpable

    Free plan APIWeb

    Helpable combines customer-facing help content, AI answers, and live chat in one service. The free tier is limited, so compare its answer and team-member allowances with your support volume.

    7.1 Free plan · paid from $25/mo · 7-day trial Visit site
  9. 34

    SwaggerHub

    by SwaggerHub
    Free plan Self-hostedWeb

    SwaggerHub brings API design, documentation, testing, and governance into a set of team tools.

    7.1 Pricing on request Visit site
  10. 35

    KBPublisher

    Free plan APISelf-hostedWeb

    KBPublisher combines content creation, approval, search, and access controls, with deployment options that include web and self-hosting.

    7.1 Free plan · paid from $33/mo (annual) Visit site
  11. 36

    DocFX

    Free plan APILinuxMac+2

    DocFX covers documentation generation from .NET, REST API and Markdown inputs, with static output and template customization.

    7.1 Free plan Visit site
  12. 37

    Sphinx

    by Sphinx
    Free plan APILinuxMac+3

    Sphinx offers a broad documentation toolset, from multiple output formats and cross-project links to themes and extensions. It is free, but Markdown authors must install MyST-Parser separately.

    7.1 Free plan Visit site
  13. 38

    Lark

    by Lark
    Free plan AndroidAPIiPhone+4

    Lark combines workplace messaging, collaboration, automation, and developer tools across major desktop and mobile platforms.

    7.0 Free plan Visit site
  14. 39

    ikiwiki

    Free plan LinuxMacSelf-hosted+1

    ikiwiki offers wiki publishing with static output, optional revision control, and an extensible plugin system. Review its security guidance before allowing other people to edit or upload content.

    7.0 Open source Visit site
  15. 40

    MoinMoin

    by MoinMoin
    Free plan APILinuxMac+3

    MoinMoin combines flexible editing, revision history, search, and access controls for self-hosted wikis.

    7.0 Free plan Visit site
  16. 41

    TiddlyWiki

    by TiddlyWiki
    Free plan AndroidiPhoneLinux+4

    TiddlyWiki offers a flexible structure for connected information, with browser-based and server-based ways to run it.

    7.0 Free plan Visit site
  17. 42

    WikiFlow

    Free plan Web

    WikiFlow combines varied knowledge capture methods with AI drafting and review workflows. Its free plan provides an entry point, while larger teams can use broader plans and destinations.

    6.9 Free plan · paid from $49/mo · 14-day trial Visit site
  18. 43

    Help Scout

    by Help Scout
    Free plan API

    Help Scout combines shared customer conversations with knowledge-base and workflow tools. Check the Inbox, user, and contact limits against your team's needs before choosing a plan.

    6.9 Free plan · paid from $25/user/mo · 15-day trial Visit site
  19. 44

    weDocs

    Free plan Self-hostedWeb

    weDocs provides WordPress-native documentation with permissions, search and embedding options. Its free plan covers basic creation, while advanced controls and the chatbot require paid options.

    6.9 Free plan · paid from $39/yr Visit site
  20. 45

    Help.center

    Free plan APIWeb

    Help.center combines public documentation, AI assistance, and ticket handling with free and paid plans.

    6.9 Free plan · paid from $19/user/mo Visit site
  21. 46

    Ziikly

    Free plan APIWeb

    Ziikly combines an internal knowledge base, connected-tool search, and MCP access in one service.

    6.9 Free plan Visit site
  22. 47

    Docusaurus

    by Docusaurus
    Free plan Self-hostedWeb

    Docusaurus combines documentation-focused authoring, versioning, localization, and search options in a free static-site generator.

    6.9 Free plan Visit site
  23. 48

    HelpNDoc

    Free plan APISelf-hostedWindows

    HelpNDoc offers a free personal option and paid editions with broader commercial-use rights and publishing formats.

    6.9 Free plan · paid from €99 Visit site
  24. 49

    Stonly

    by Stonly
    Free plan AndroidiPhoneWeb

    Stonly combines interactive help content with knowledge management and AI Answers.

    6.9 Free plan · 14-day trial Visit site
  25. 50

    Open Knowledge CLI

    Free plan APILinuxMac+1

    Open Knowledge CLI centers knowledge work on plain files, Git workflows, deterministic local search, and agent integrations.

    6.9 Open source Visit site