EventStudio System Designer 4.0, a use case and sequence diagram based systems engineering and architecture design tool that runs on Windows. EventStudio takes a different approach to modeling. Users model the system in a text based modeling language. EventStudio analyzes the model for design errors and automatically generates use case and sequence diagrams.

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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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EDraw is a new UML diagram and software diagram drawing tool for software engineers and designers. Easy to draw uml model diagram, COM and OLE, data flow model diagram, Jacobson Use Case, SSADM Diagram, Nassi-Schneiderman diagrams, Booch OOD diagrams, ROOM Diagram, Yourdon and Coad diagrams and Shlaer-Mellor OOA diagrams, program structure diagrams, enterprise application diagrams, UML use case, UML sequence diagram and other UML diagrams.

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Blueprint Software Modeler FREE Community Edition. A free and powerful UML software modeling tool implemented according to OMG's latest UML2.1 standard. Blueprint SM is based on Eclipse and supports the most important diagrams with rich semantics: Class, Package, Component, Composite Structure, Object, Use Case, Activity, State Machine and Sequence Diagram.

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SDE for Eclipse is a full-feature UML modeling tool seamlessly integrated with Eclipse. SDE-EC supports the full software development life-cycle - analysis, design, implementation, testing and deployment. You can capture requirements, draw UML diagrams, reverse engineer Java to UML model, generate Java, control versions, etc. New features include Mind Mapping Diagram, Callout and Freehand shape, Nicknamer,Model Transitor,Perforce Integration, etc

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EventStudio is a CASE tool for Sequence Diagram, Call Flow, Message Sequence Chart, Use Case and Process Workflows generation. EventStudio goes beyond UML and supports advanced constructs that make it suitable for Real-time Embedded System Design, Protocol Design, Object Oriented Design, Telecom and Systems Engineering. With EventStudio, you enter your model in plain text and automatically generate diagrams in PDF and MS Word (EMF).

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Trace Modeler is an easy to use and smart editor for UML sequence diagrams... Ideal for documenting existing systems and brainstorming new designs... And fast too! It instantly updates the diagram layout, freeing you to focus on the actual content... The look of your diagrams is controlled by style settings and easily changed... Your diagrams are always visually pleasing and structurally correct... It will save you a tremendous amount of time!

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MaintainJ, an Eclipse plug-in, generates runtime UML sequence and class diagrams for a given use case, helping the users to quickly understand a complex Java application. MaintainJ logs runtime method execution sequence to a file and uses that trace file to render sequence and class diagrams. MaintainJ Instrumentation Wizard instruments a Java/J2EE application and MaintainJ UML Editor renders sequence and class diagram from the trace file.