SequenceDiagram.org for Confluence

by NoSpareTime AB

works with Confluence Cloud

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SUPPORT: Partner Supported
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Key highlights of the appCreate UML sequence diagrams using textual notation or draw quickly via Drag and Drop

Text notation in combination with Drag and Drop

Simple and robustly featured https://sequencediagram.org/instructions.html. Runs on Atlassian and available online for over 10 years and serving several thousands of daily unique users.

Instantly rendered

All parsing, processing, and drawing is done client side, all data is stored in your confluence page. Use page history to see changes or restore previous versions.

Update the diagram at the same pace as you think

Improved efficiency when creating and working with sequence diagrams by combining text notation and drawing by clicking and dragging in the same model. Edit, add, move, delete, and change where it is easiest to do so.

More details

Steps to create a new diagram:

Edit a page
Type /seq... and select SequenceDiagram.org for Confluence
An editor will be displayed for you to create the diagram
Press the blue [Save] button in the top right corner (or [Cancel] button to abort)
Select diagram scaling using the built in confluence functionality
Publish your page
Done!

All parsing, processing, and drawing is done client side in your browser. The diagram source data is stored in your confluence page, not on any external servers, which means that you can compare versions of your diagrams using confluence built in page history.

Resources

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

Privacy and Security

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 part of the Marketplace Bug Bounty program.

About Bug Bounty program

Version information

Version 2.5.0•for Confluence Cloud

Release date: Sep 25th 2026
Summary: Minor version update
Details: indexing of diagram source the same way as confluence pages are indexed so that Atlassian Rovo can determine what has changed between diagram versions
support for coloring of fragment operator label and condition, see instructions for more info
bugfix: autoactivation is not handled for fragment alt else
bugfix: autocomplete for the second participant in messages is not working
Payment model: Paid via Atlassian
License type: Commercial