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.
StarUML
Commercial
StarUML is an opensource UML tool.
Software Ideas Modeler
Free Personal
Software Ideas Modeler is a CASE and an UML tool.
WhiteStarUML
Open Source
WhiteStarUML is a UML modeling 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.
Graphviz
Open Source
Graphviz (Graph Visualization Software) is a package of open-source tools initiated by AT&T Labs Research for drawing graphs specified in DOT language scripts…
Visual Paradigm
Commercial
Visual Paradigm (VP-UML) is a UML CASE Tool.
Astah Community is a free software design tool which supports the latest UML diagrams.
Compare UMLet with alternatives
Compare Microsoft Office Visio and UMLet and decide which is most suitable for you.
Compare Visual Paradigm and UMLet and decide which is most suitable for you.
Compare Software Ideas Modeler and UMLet and decide which is most suitable for you.
Compare astah Community Edition and UMLet and decide which is most suitable for you.