8
Pacestar Software
1,075
Shareware
Creates activity diagrams, class and object diagrams and communication diagrams.
12
Tigris.org (Open Source)
6,175
Open source
ArgoUML is the leading open source UML modeling tool.
1
Effexis Software
67
Shareware
Creates call flows & UML sequence diagrams from textual inputs.
13
NCH Software
11,227
Shareware
ClickCharts Flowchart Pro Edition allows you to create visual representations.
23
Circuit Diagram
2,205
Open source
It helps you make electronic circuit diagrams and export them as images.
9
Source Dynamics, Inc.
6,267
Shareware
Edit, analyze and manage source code written in various programming languages.
22
KDE.org
617
Freeware
Umbrello UML Modeller is a Unified Modelling Language (UML) diagram program.
6
Farshad Barahimi
205
Open source
Diagram Ring is an open source advanced diagram editor.
68
Adrian & Frank Buehlmann
46
Fast and Lightweight UML Diagram Editor for Windows 2000, XP and Vista.
11
GNU General Public License
31
Open source
UMLet is a free, open-source UML tool with a simple user interface.
79
dataweb GmbH
8
Open source
NShape is an Open Source diagram designing framework for .NET WinForms.
1
Open Source Software
9
Freeware
Cooperative Linux is the first working free and open source method.
5
Frank Warmerdam
532
Freeware
It is a set of Open Source GIS binaries for Windows (win32) and Linux systems.
thinstation.org
8
Freeware
Thinstation is a free and open source Linux implementation.
Sparkling Network
Commercial
Open Source Network Monitoring for Windows, Linux and Android written in C++/Qt5.
