54
Plastic Software, Inc.
35,054
Open source
A full, yet free, UML modeling tool for the professional developer.
12
Tigris.org (Open Source)
6,175
Open source
ArgoUML is the leading open source UML modeling tool.
4
Cay S. Horstmann
416
Freeware
Violet is a UML editor, very easy to learn and use, draws nice-looking diagrams.
4
Grandite
412
Freeware
Open ModelSphere is a powerful data, process and UML modeling tool.
2
Altova, Inc.
266
Demo
Altova UModel is the cost-effective UML tool for successful software design.
4
Visual Paradigm International Ltd.
22
Freeware
VP-UML Community Edition (VP-UML CE) is a free UML drawing tool.
2
Pavel Hruby
Freeware
The UML stencil for Visio supports complete UML, SoaML and other UML profiles.
77
Metamill Software
63
Shareware
UML modeling tool with UML 2.4 support and round-trip Python, ADA, Java, C/C++...
3
Gentleware AG
4
Shareware
Poseidon for UML is a great UML tool with a complete set of diagrams.
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.
Change Vision, Inc.
641
Demo
Astah UML is an easy and affordable way to increase your UML potential.
33
myuml
1
Shareware
MyUML is a powerful UML software modeling tool, which allows you to create UML.
8
Visual Paradigm International Ltd.
2,156
Shareware
Visual Paradigm for UML (VP-UML) is a software design tool.
22
KDE.org
617
Freeware
Umbrello UML Modeller is a Unified Modelling Language (UML) diagram program.
