Diagrams.net (formerly draw.io) is free online diagram software. Our integrations make using those apps with cacoo easy and seamless. Use case diagrams are used at the development of software and systems for definition of functional system requirements or system of systems.
Your team already has trusted apps, tools, vendors, and products.
10+ Use Case Online Draw. Visual use case is a tool for rapidly defining clear and accurate requirements of an application or a system using the use case modeling technique. They also help identify any internal or external factors that may influence the system and should be taken into consideration. Use our sequence markup editor to build sequence diagrams faster and visualize relationships. However, this definition is too generic to describe the purpose, as other four.