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
Papyrus UML Alternatives
Papyrus UML is described as 'Graphical modelling open source UML2 tool based on Eclipse environment' and is a UML Modeling tool in the development category. There are more than 25 alternatives to Papyrus UML for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best Papyrus UML alternative is yEd Graph Editor, which is free. Other great apps like Papyrus UML are Lucidchart, PlantUML, Visual Paradigm and Umbrello.
Alternatives list
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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