Modelling languages

Notations and languages for modelling software architecture and system design, including UML.

• C4 Model
• 4+1 Model
• SysML
• SoaML
• ArchiMate

UML

• UMLi - UML for Interactive Applications
• Source Making: UML
• PlantUML Language Reference Guide (PDF)
• UML
• Allen Holub’s UML Quick Reference