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Best Mermaid Chart Alternatives in 2026

12 apps from AI diagram generators ranked against Mermaid Chart on the same published basis.

  1. 1
    Creately Free plan apiLinuxMacself-hostedWeb Free6.7
    Mermaid Chart vs Creately
  2. 2
    Nimbalyst Free plan iOSLinuxMacWin $16.67/mo6.6
    Mermaid Chart vs Nimbalyst
  3. 3
    OpenCharts Free plan apiMacWebWin $9.99/mo6.6
    Mermaid Chart vs OpenCharts
  4. 4
    ArchitectureDiagram.ai Free plan apiWeb $4.99/mo6.4
    Mermaid Chart vs ArchitectureDiagram.ai
  5. 5
    Archway Free plan apiself-hostedWeb $12/mo6.4
    Mermaid Chart vs Archway
  6. 6
    Eraser Free plan apiextensionself-hostedWeb $15/mo6.4
    Mermaid Chart vs Eraser
  7. 7
    LetDraw Free plan apiself-hostedWeb $5/mo6.4
    Mermaid Chart vs LetDraw
  8. 9
    sysdraw Free plan Web $6/mo6.4
    Mermaid Chart vs sysdraw
  9. 10
    Lucid Train WinMacLinux 5.3
    Mermaid Chart vs Lucid Train
  10. 11
    AI Diagram Maker Web 5.2
    Mermaid Chart vs AI Diagram Maker
  11. 12
    AI Flowchart Web 5.2
    Mermaid Chart vs AI Flowchart
  12. 13
    AutoUML Web 5.2
    Mermaid Chart vs AutoUML
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