| Price from | — | — |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 2 | 0 |
| Spec score · UML Modeling Software | 8.1 (#8) | 7.3 (#18) |
| Code generation | Code generation for Java, C#, C++, and Python is available through open-source extensions. | Umple generates code in languages including Java, Python, PHP, Ruby, and C++; the manual notes that Ruby support is partial and C++ is still beta. |
| Purpose | StarUML describes itself as a software modeler for agile and concise modeling. | Umple is a modeling tool and programming language family for Model-Oriented Programming. |
| Support | The privacy notice directs questions and concerns to [email protected]. | The site links to the user manual, question and help mailing lists, and GitHub issue reporting for help and problem reports. |