Lucidchart
Freemium
Lucidchart is a web-based application to draw diagrams.
StarUML
Commercial
StarUML is an opensource UML tool.
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.
PlantUML
Open Source
PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language.
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.
Compare astah Community Edition with alternatives
Compare Lucidchart and astah Community Edition and decide which is most suitable for you.
Compare PlantUML and astah Community Edition and decide which is most suitable for you.
Compare StarUML and astah Community Edition and decide which is most suitable for you.
Compare Umbrello and astah Community Edition and decide which is most suitable for you.
Compare UMLet and astah Community Edition and decide which is most suitable for you.
Compare Visual Paradigm and astah Community Edition and decide which is most suitable for you.