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.
445
Blender Team
198,867
Open source
Open-source 3D modelling software to make and edit models.
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.
1
University of Nottingham
150
Freeware
The Xerte Project provides a full suite of open source tools.
WikiProject Contributors
8
Open source
WikiProject is a collection of open source tools to manage media-wiki projects.
Gerson Kurz
2
Freeware
All tools are completely free, open source, without any license.
GnuWin32
Freeware
GnuWin Filetype provides tools with a GNU or similar open source license.
GnuWin32
1
Freeware
GnuWin provides ports of tools with a GNU or similar open source license.
Argonne National Laboratory
Freeware
EPICS is a set of Open Source software tools, libraries and applications.
