Sparx is a software tool designed for creating and managing visual models, particularly in the field of software engineering. It supports various modeling languages, including UML (Unified Modeling Language) and BPMN (Business Process Model and Notation), allowing users to design and visualize complex systems effectively. The tool is widely used by developers, analysts, and project managers to enhance communication and collaboration within teams. Sparx also offers features for code generation, documentation, and project management, making it a comprehensive solution for software development projects.