Cost / License
- Free
- Proprietary
Platforms
- Windows


Sketch.systems is described as 'Helps software designers think about complex product behavior. Sketch out states, add prototypes, and clarify questions quickly' and is an website in the development category. There are more than 10 alternatives to Sketch.systems, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Eclipse apps. The best Sketch.systems alternative is MATLAB. It's not free, so if you're looking for a free alternative, you could try Papyrus UML or Xcos. Other great sites and apps similar to Sketch.systems are Visual Paradigm, StarUML, Enterprise Architect and WhiteStarUML.


RadDiagram offers flexible and interactive diagramming layouts for your rich data-visualization applications. The framework tool set enables you to:



FsmPro is a cross-platform tool for designing State Machines. It is a tool built with State Machines in mind and provides a list of features to support Code Generation from State Diagrams, Project Modelling and Documentation.
