Lucidchart
Freemium
Lucidchart is a web-based application to draw diagrams.
PlantUML
Open Source
PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language.
Enterprise Architect
Commercial
Enterprise Architect is a visual modeling and design tool based on the OMG UML.
Visual Paradigm
Commercial
Visual Paradigm (VP-UML) is a UML CASE Tool.
Diagram Designer
Free
Diagram Designer is a vector graphics editor that allows you to create UML class diagrams, illustrations, flowcharts and slide shows.
Modelio
Open Source
Modelio is an Open Source UML tool.
Microsoft Office Visio
Commercial
Microsoft Visio (formerly Microsoft Office Visio) is a diagramming and vector graphics application and is part of the Microsoft Office family.
Umbrello
Open Source
Umbrello UML Modeller is a free software UML diagram tool available natively for Unix-like platforms and Windows.
UMLet
Open Source
UMLet is an open-source Java-based UML tool designed for teaching the Unified Modeling Language and for quickly creating UML diagrams.
Software Ideas Modeler
Free Personal
Software Ideas Modeler is a CASE and an UML tool.
Astah Community is a free software design tool which supports the latest UML diagrams.
WhiteStarUML
Open Source
WhiteStarUML is a UML modeling tool.
Compare StarUML with alternatives
Compare Microsoft Office Visio and StarUML and decide which is most suitable for you.
Compare Enterprise Architect and StarUML and decide which is most suitable for you.
Compare Visual Paradigm and StarUML and decide which is most suitable for you.
Compare Software Ideas Modeler and StarUML and decide which is most suitable for you.
Compare Diagram Designer and StarUML and decide which is most suitable for you.
Compare astah Community Edition and StarUML and decide which is most suitable for you.
Compare WhiteStarUML and StarUML and decide which is most suitable for you.