54
Plastic Software, Inc.
35,054
Open source
A full, yet free, UML modeling tool for the professional developer.
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.
Andy Bulka
24
Freeware
PyNSource Gui is a python code scanner and UML modelling tool.
12
Tigris.org (Open Source)
6,175
Open source
ArgoUML is the leading open source UML modeling tool.
4
Grandite
412
Freeware
Open ModelSphere is a powerful data, process and UML modeling tool.
8
ABACOM-Ingenieurbüro
579
Shareware
LochMaster 4.0 is a developer tool for strip board projects.