The UML modeling tools reviewed on this site are evaluated using the following equally weighted criteria:
Usability
Functional features: Drawing
Functional features: Simulation/Execution
Standards compliance/Interoperability
Support/Team modeling
Value
Usability
We evaluate tool Usability while exercising the tool Functional Features described below. Usability factors that we evaluate include, but are not limited to: UI design, UI learnability, UI efficiency (as measured by UI gestures), [...]