Microsoft Visio (formerly Microsoft Office Visio) is a diagramming and vector graphics application and is part of the Microsoft Office family. Developed by Microsoft
License: Commercial
Microsoft Office Visio is a comprehensive diagramming tool with extensive features and integration capabilities, making it ideal for business environments. StarUML, being an open-source UML tool, is more lightweight and cost-effective, but it may lack some advanced features found in Visio.