A cross platform tool for drawing UML sequence diagram in simple text.

Download page: Download

Latest release date: 2017-09-07

You can also goto http://echoma.github.io/text_sequence_diagram/ for an online web-app.

This online version can not export diagram image as pre-built executables.

• Simple pure text syntax to draw beautiful sequence diagram.
• Export diagram image to local file.
• Save/open diagram source text to/from local file. Drag and drop supported for opening file.
• Cross platform, given by nw.js and HTML5.
• Adjust the diagram view size and zoom ratio as you wish.
• You can integrate the "text to diagram" library to your own application. See example_integeration.html for an very simple example.

• Title and Author and so on

Title @ v1.0 @ 20160415 @ Author
Title @ @ @ Author

• Message

From Object -> To Object : Message Content

• Return Message

From Object --> To Object : Message Content

• Self Message

Object : Message Content

• Bottom Description

[ Bottom Description Line 1 ]
[ Bottom Description Line 2 ]

• Comment

# Comment Line
# Another Comment Line

• Example:

Conn Server -> Safe Domain GW : single order request
Safe Domain GW -> Trade Gateway : authenticated
Trade Gateway -> Logic Control : internal protocol
Logic Control --> Trade Gateway : success response
Trade Gateway --> Safe Domain GW : success response
Safe Domain GW --> Conn Server : response

Thanks to @Phy25

• Self Message with dash link

Object :: Message Content

• Continuous life-line

In the text, add ^ before the broker object.

As the following example shows, watch the ^ before A in the 4th line.

A -> B: msg-1
B -> C: msg-2
C -> B: msg-3
B -> ^A: msg-4