https://sequencediagram.org/

SequenceDiagram.org
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About

SequenceDiagram.org is an online tool / software for creating UML
sequence diagrams. Founded in 2014 with the purpose to improve the
efficiency when creating and working with sequence diagrams by
combining text notation scripting and drawing by clicking and
dragging in the same model.

All parsing, processing, and drawing is done client side. The benefit
of this is that SequenceDiagram.org is fast and convenient to work
with; it also doesn't transfer your diagram data over the Internet
like many other sequence diagram tools on the market. This also means
that it is possible to work with the tool offline.

The tool is developed, maintained, and used by people who create a
lot of sequence diagrams in their daily work. If you have any
question / comments / suggestions / bugs please contact
info@sequencediagram.org. The more feedback we get the better we can
prioritize.


FAQ

Privacy and data protection information

The tool itself does not collect data, however services it relies on
such as Content Delivery Network, hosting, and cloud storage does.
See privacy policy for details.


Are diagrams/scripts created using SequenceDiagram.org subject to any
license?

No license is imposed by SequenceDiagram.org on the generated output.
However, like with all images containing text, the fonts used might.
The default font used in diagrams is the default sans-serif font
selected by your browser. You can specify a different font using the
fontfamily keyword, see help for more information. See LICENSE for
details.


How do I generate a PDF of my sequence diagram?

Zoom to a chosen level in the editor and Print to PDF from your
browser. The print css makes sure to only show the diagram on the
page.


Are there any example sequence diagrams?

Yes, clicking the help menu and selecting "Instructions" will show
examples of all possible diagram elements. A copy icon is available
for copying the text notation.


Is the codebase of SequenceDiagram.org open source?

No, the codebase is currently not available under any open source
license


Can I run the SequenceDiagram.org tool in my company's private
network (on-prem)?

Yes, by donating 400$ you are licensed to run the SequenceDiagram.org
tool and its REST-like API inside your company's network (enterprise
license). You are also eligible to receive any new published versions
of the software for the duration of 1 year from the donation date by
request. Your donation is highly appreciated and allows us to keep
SequenceDiagram.org online and free for everyone to use. Please
contact info@sequencediagram.org for any questions.

The software is delivered in three formats:

  * A Node JS application with the Sequencediagram.org tool and a
    REST-like API for integration with other services, see README.txt
    for details
  * A war file with the Sequencediagram.org tool for deployment in a
    Java Servlet Container such as Tomcat, Jboss, Wildfly, Jetty, etc
  * A zip file with the Sequencediagram.org tool for static web page
    hosting inside the DocumentRoot of a web server such as Apache,
    IIS, etc, or static on any cloud provider


What libraries are used by SequenceDiagram.org?

  * lz-string is used to create URLs for sharing sequence diagrams.
    LICENSE
  * Canvas2Svg is used to export the diagram into SVG file format.
    LICENSE
  * CodeMirror is used as the text editor. LICENSE
  * Font Awesome is used to provide icons for the icon participants.
    LICENSE
  * Material Design Icons from the Community is used to provide icons
    for the icon participants. LICENSE
  * Material Design icons by Google (included in
    materialdesignicons.com collection) is used to provide icons for
    the icon participants. LICENSE
  * Font Awesome 5 Free is used to provide icons for the icon
    participants. LICENSE
  * RBush is used for collision detection calculations for
    onmousemove events. LICENSE
  * MSAL.js from Microsoft is used for authentication towards
    Microsoft services.
  * OneDrive.js from Microsoft is used for file picker for OneDrive
    and SharePoint.
  * platform.js from Google is used for authentication towards Google
    services and file picker for Google Drive and Team Drives.

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