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PlantUML Diagrams: UML & C4 for Confluence – Excalidraw

works with Confluence Cloud

OVERALL RATINGS

INSTALLS

45

SUPPORT

  • Partner Supported

TRUST SIGNALS

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Key highlights of the appPlantUML diagrams on Confluence pages: UML class, sequence and C4 from text, drawn inside Atlassian with no PlantUML server

watch PlantUML Diagrams: UML & C4 for Confluence – Excalidraw video

PlantUML, C4 and UML from text

Type PlantUML with C4 built in, nomnoml or Mermaid, and the diagram appears on the page. No PlantUML server: everything is drawn inside Atlassian.

Annotate the model by hand

Circle what changes, add notes and arrows, paste screenshots. Excalidraw's hand-drawn style shows that a design is under discussion.

Design docs that stay correct

Every macro is its own diagram, page copies get their own copy, the last 10 versions are kept, and PDF/Word export includes the drawing.

Supporting media

More details

PlantUML, C4 and UML for Confluence:

  • Class, sequence, state and ER diagrams from Mermaid text; nomnoml syntax supported too
  • PlantUML with C4 built in, drawn inside Atlassian: no PlantUML server, no Java
  • Excalidraw whiteboard around them: hand-drawn notes, images, shape libraries
  • Graphviz, LaTeX math, Vega-Lite charts and WaveDrom built in
  • Every macro its own diagram; shared scenes; last 10 versions kept; PDF/Word export

Runs on Atlassian Forge: stored in your site, rendered in the browser, no external calls.

Resources

  • App documentation

    Comprehensive set of documentation from the partner on how this app works

Privacy and Security

Privacy and security questionnaire has been filled by the partner

Privacy policy

Atlassian's privacy policy is not applicable to the use of this app. Please refer to the privacy policy provided by this app's partner.

Partner privacy policy

Security program

This app is not part of the Marketplace Bug Bounty program.

Integration permissions

PlantUML Diagrams: UML & C4 for Confluence – Excalidraw integrates with your Atlassian app

Version information

Version 2.17.0•for Confluence Cloud

Release date
Nov 11th 2026
Summary
Minor version update
Details
Minor version update
Payment model
Paid via Atlassian
License type
Commercial

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