Lucidchart
Freemium
Lucidchart is a web-based application to draw diagrams.
Umbrello
Open Source
Umbrello UML Modeller is a free software UML diagram tool available natively for Unix-like platforms and Windows.
Visual Paradigm
Commercial
Visual Paradigm (VP-UML) is a UML CASE Tool.
Modelio
Open Source
Modelio is an Open Source UML tool.
PlantUML
Open Source
PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language.
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.
Astah Community is a free software design tool which supports the latest UML diagrams.
Compare StarUML with alternatives
Compare Visual Paradigm and StarUML and decide which is most suitable for you.
Compare astah Community Edition and StarUML and decide which is most suitable for you.