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Best Fluid Topics Alternatives in 2026

12 apps from knowledge base software ranked against Fluid Topics on the same published basis.

  1. 1
    Nuclino Free plan AndroidapiiOSLinuxMac Free9.4
    Fluid Topics vs Nuclino
  2. 2
    ProProfs Knowledge Base Free plan AndroidapiextensioniOSWeb $0.99/mo9.4
    Fluid Topics vs ProProfs Knowledge Base
  3. 3
    Confluence Free plan AndroidiOSself-hostedWeb $5.42/mo9.3
    Fluid Topics vs Confluence
  4. 4
    BlueSpice Free plan self-hosted €4.50/mo8.9
    Fluid Topics vs BlueSpice
  5. 5
    Zoho Learn Free plan WebiOSAndroid Free8.9
    Fluid Topics vs Zoho Learn
  6. 6
    GitBook Free plan apiWeb $65/mo8.9
    Fluid Topics vs GitBook
  7. 7
    Slab Free plan WebWinMac $6.67/mo8.8
    Fluid Topics vs Slab
  8. 8
    Wiki.js Free plan apiLinuxMacself-hostedWeb Free8.8
    Fluid Topics vs Wiki.js
  9. 9
    Docmost Free plan apiself-hostedWeb 8.7
    Fluid Topics vs Docmost
  10. 10
    BookStack Free plan apiLinuxself-hostedWeb £37.50/mo8.4
    Fluid Topics vs BookStack
  11. 11
    Outline WebWinMaciOSAndroid $10/mo8.3
    Fluid Topics vs Outline
  12. 12
    Slite Free trial AndroidapiextensioniOSMac $0.83/mo8.3
    Fluid Topics vs Slite
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