12
Tigris.org (Open Source)
6,175
Open source
ArgoUML is the leading open source UML modeling tool.
Real-Time and Concurrent Systems Group
Freeware
WST Tool is an integrated environment for translating XMI documents.
16
No Magic Inc.
587
Shareware
Facilitates analysis and design of Object Oriented (OO) systems and databases.
8
Pacestar Software
1,075
Shareware
Creates activity diagrams, class and object diagrams and communication diagrams.
Gentleware AG
10
Shareware
Now Poseidon for UML is based on our Poseidon for DSLs platform.
4
Visual Paradigm International Ltd.
22
Freeware
VP-UML Community Edition (VP-UML CE) is a free UML drawing tool.
77
Metamill Software
63
Shareware
UML modeling tool with UML 2.4 support and round-trip Python, ADA, Java, C/C++...
1
Microgold Software Inc.
3
Shareware
WithClass is a rich featured UML Modeling Tool to draw UML Diagrams.
Modeliosoft
56
Freeware
A UML modeling tool that supports the majority of UML diagrams.
54
Plastic Software, Inc.
35,054
Open source
A full, yet free, UML modeling tool for the professional developer.
Andy Bulka
24
Freeware
PyNSource Gui is a python code scanner and UML modelling tool.
4
Grandite
412
Freeware
Open ModelSphere is a powerful data, process and UML modeling tool.
1
Effexis Software
67
Shareware
Creates call flows & UML sequence diagrams from textual inputs.
3
Gentleware AG
4
Shareware
Poseidon for UML is a great UML tool with a complete set of diagrams.
33
myuml
1
Shareware
MyUML is a powerful UML software modeling tool, which allows you to create UML.