(sometimes we provide two download links because it may happen that the main server / link is overloaded or slow or non responding - the files are identical. Just choose one, save to the Desktop, double click to install)
Windows modeling tool that simplifies and speeds up the creation and maintenance of UML sequence diagrams, telecom/wireless call flow diagrams and process workflow diagrams. Sequence Diagram Editor performs automatic layout/formatting (across multiple pages if necessary) and supports additional drawing elements like states, actions, timers and scenarios. You can print diagrams directly or export to PDF/RTF.
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Create professional UML sequence diagrams faster than drawing and UML tools)

Sequence Diagram Editor simplifies the creation and maintenance of UML sequence diagrams and call flows. It automatically takes care of layout and formatting (across multiple pages if needed) allowing you to easily create sequence diagrams much faster than with drawing programs or even generic UML tools. It supports additional drawing elements like states, actions, timers and scenarios. You can print diagrams directly or export to PDF/RTF.
sequence diagram program, call flow program