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Best Diagramming tools in 2026 — page 2

  1. 26

    Diagramo

    Free plan Self-hostedWebWindows

    Diagramo offers browser-based diagram creation, sharing, exports, and self-hosting options.

    6.9 Free plan Visit site
  2. 27

    Camunda

    Free plan APILinuxMac+3
    6.9 Free plan · 30-day trial Visit site
  3. 28

    Vexlio

    Free plan Self-hostedWeb

    Vexlio’s shape-linked popups provide a way to add detail without overloading the diagram itself.

    6.8 Free plan · paid from $18/mo (annual) Visit site
  4. 29

    Preceden

    by Preceden
    Free plan AndroidiPhoneWeb

    Preceden covers timeline creation, project planning, imports, exports, and multiple sharing controls.

    6.8 Free plan · paid from $10/mo (annual) Visit site
  5. 30

    Diagramming Tool

    Free plan Web

    Diagramming Tool offers broad diagram coverage with free, unlimited use and several export options. Save the .diagram.json version if you need to reopen and edit your work.

    6.7 Free plan Visit site
  6. 31

    Textografo

    by Textografo
    Free plan Web

    Textografo combines text-based diagram creation with sharing, collaboration, and presentation features. Check the privacy limits on the free plan before using it for confidential diagrams.

    6.7 Free plan Visit site
  7. 32

    CloudSkew

    by CloudSkew
    Free plan Web

    CloudSkew brings diagram creation, documentation, export, and link sharing together in a web editor. Check the free plan's one-diagram limit and the stated desktop-oriented use before choosing it.

    6.6 Free plan Visit site
  8. 33

    SmartDraw

    by SmartDraw
    Free trial AndroidAPIiPhone+4

    Choose SmartDraw if you need a diagramming tool with many diagram types, real-time collaboration, and broad import and export formats.

    6.5 Visit site
  9. 34

    Microsoft Translator

    Free plan API
    6.5 Free plan Visit site
  10. 35

    Microsoft Visio

    by Microsoft Visio
    Free trial MacWebWindows

    Visio combines a broad selection of diagram types with collaboration and links to supported data sources. Mac users can work in a browser, but cannot use a Visio desktop app for macOS.

    6.4 From $5/user/mo (annual) · 30-day trial Visit site
  11. 36

    StarUML

    by StarUML
    Free trial ExtensionLinuxMac+1

    StarUML covers a broad range of modeling languages and diagram outputs, with extensibility through JavaScript and extensions.

    6.3 From $129 · 30-day trial Visit site
  12. 37

    Gluu

    by Gluu
    Free trial AndroidAPIiPhone+1

    Gluu combines process mapping with instructions and, on higher plans, execution tools.

    6.3 From €2/user/mo (annual) · 30-day trial Visit site
  13. 38

    ThinkComposer

    Free plan Windows

    ThinkComposer offers broad diagram coverage with nested structures, rich content, customization, and multiple file formats.

    6.2 Free plan Visit site
  14. 39

    ConceptDraw DIAGRAM

    by ConceptDraw DIAGRAM
    Free trial MacWindows

    ConceptDraw DIAGRAM combines broad diagram coverage with Visio file support, templates, data-responsive objects, and extensive export formats.

    6.1 From $199 · 21-day trial Visit site
  15. 40

    OmniGraffle

    by OmniGraffle
    Free trial iPhoneMac

    OmniGraffle offers structured diagramming, vector editing, automation, and broad file-format support for Apple platforms.

    6.1 14-day trial Visit site
  16. 41

    MyDraw

    by MyDraw
    Free trial MacWebWindows

    MyDraw combines broad diagram coverage, vector drawing, Visio compatibility, and data imports.

    6.0 From $3/mo (annual) · 30-day trial Visit site
  17. 42

    SAP Signavio Process Modeler

    by SAP Signavio Process Modeler
    Free trial Web

    Process Modeler combines diagramming and collaboration with model validation, variant management, and integrations.

    5.9 Pricing on request · 30-day trial Visit site
  18. 43

    ConceptDraw Office

    by ConceptDraw Office
    Free trial MacWindows

    ConceptDraw Office brings three connected desktop applications into one suite with broad diagram and export support.

    5.9 From $499 · 21-day trial Visit site
  19. 44

    Flowdia Diagrams

    by Flowdia Diagrams
    Paid AndroidiPhoneWindows

    Flowdia offers a broad set of diagram types and several export formats across mobile and desktop platforms. The listed page limit and in-app purchases are worth noting when choosing an option.

    5.3 Visit site
  20. 45

    ARIS

    by ARIS
    Paid APISelf-hostedWeb+1

    ARIS brings process analysis, simulation, and AI process context together, with both cloud and on-premise deployment options.

    5.1 Pricing on request Visit site
  21. 46

    ConceptDraw MINDMAP

    by ConceptDraw MINDMAP
    Paid MacWindows

    ConceptDraw MINDMAP combines broad diagram coverage with project-management views and presentation output.

    5.0 From $199 · 21-day trial Visit site