A user-friendly drawing and verification tool for Message Sequence Charts (MSC, HMSC) and UML Sequence Diagrams. Integrated with Microsoft Visio.


  • Draw Message Sequence Charts (MSC) in Microsoft Visio 2003/2007
  • Draw basic MSC: line instances, messages, coregions, general ordering, time constraints and measurements
  • Draw HMSC: references, conditions, connections
  • Export and import the ITU-T Z.120 textual format (.mpr)
  • Perform graphical syntax verification
  • Execute verification algorithms: detect deadlock/livelock, detect cycles, race conditions and universal boundedness
  • Determine probability distribution of time constraints using Monte Carlo simulation
  • Develop proprietary stencils and verification/export modules

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User Reviews

  • Not sure if I am doing anything wrong here. I have installed this on my Windows 8.1 Box with Visio 2010 and am not able to see the tool. How do I access the same? A small write-up on enabling it would be really helpful. Will update the rating once i have evaluated the tool properly.

  • It works just as intended and much more. Recommended!

  • Great App ,Excellent

  • Great work. installed and running. Thanks

  • Awesome tool, installed it on my VPS and have no need to login over ssh again

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Additional Project Details

Intended Audience

Telecommunications Industry

User Interface

Win32 (MS Windows), Command-line, Plugins

Programming Language