4 October 2025
StarUML is an open-source UML (Unified Modeling Language) tool used for creating software designs and modeling systems. It supports various diagram types, including class diagrams, sequence diagrams, and state diagrams, which are essential for software architecture and design. StarUML is favored by developers and software engineers for its ease of use, extensibility, and integration with development tools, enabling a streamlined design and development workflow.
- Portable version that works without needing system administrator rights
- Portable version that works offline with no internet-based authentication
- Portable version with no pre-installed adware or unwanted promotional software
- Torrent with no pre-set permissions or system-level access requirements