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.
16
BackupMill.com
14
Freeware
Open Source Backup is a back-up utility for Windows.
Open Source Geospatial Foundation
10
Open source
MapGuide Open Source is a platform for developing web mapping applications.
55
Microsoft
39
Freeware
The SDL Threat Modeling Tool is the first threat modeling tool.
54
Plastic Software, Inc.
35,054
Open source
A full, yet free, UML modeling tool for the professional developer.
11
GNU General Public License
31
Open source
UMLet is a free, open-source UML tool with a simple user interface.
6
Seamless3d
418
Open source
Seamless3d is WYSIWYG open source 3D modeling program.
3
RPGToolkit Development System
15
Open source
An open-source suite of tools in which you can develop your own game.
1
NazguL
2
Freeware
Open R-Community Tools is an open source company and mission builder.
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.
25
Nanorex, Inc.
45
Demo
Open-source 3D multi-scale modeling and simulation program for nano-composites.
1
Open Cascade SA
Freeware
Industrial Open Source alternative to proprietary 3D modeling kernels.
vt edu
Freeware
JigCell is an effort to develop and maintain an open source modeling environment.
