Poseidon for UML has been discontinued. Similar apps include Lucidchart, which has a free version. Other options are PlantUML, Visual Paradigm, Umbrello and StarUML. There's no shortage of UML Modeling Tools like Poseidon for UML, with more than 25 alternatives for Windows, Linux, Mac, the web and Android.
Whether you are a Business Architect, System Architect, Developer, Analyst or Designer, Modeliosoft meets your needs through its high quality solutions for modeling, and report, architecture or code generation.
ckwnc is a uml sequence diagram creation tool that uses an intuitive c-style language to automatically create uml diagrams that can be saved as an image or embedded directly into other pages
RadDiagram offers flexible and interactive diagramming layouts for your rich data-visualization applications. The framework tool set enables you to:
United States
Astah Professional is an all-in-one modeling tool for software design, supporting UML, ER, DFD, flowcharts, and more. It offers code generation, reverse engineering, collaboration features, and extensibility via plug-ins and scripts.
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