8
Pacestar Software
1,069
Shareware
Creates activity diagrams, class and object diagrams and communication diagrams.
13
NCH Software
11,081
Freeware
Map out your processes with this free flow diagram and flowchart software.
3
Gentleware AG
4
Shareware
Poseidon for UML is a great UML tool with a complete set of diagrams.
Faculty of Management Science and Informatics, University of Zilina
22
Freeware
It's aimed towards diagram types commonly used by people involved in IT.
12
MeeSoft
8,672
Freeware
Diagram Designer is a graphics editor tool to edit graphical data.
Real-Time and Concurrent Systems Group
Freeware
WST Tool is an integrated environment for translating XMI documents.
22
KDE.org
599
Freeware
Umbrello UML Modeller is a Unified Modelling Language (UML) diagram program.
Aspose
18
Shareware
Aspose.Diagram is a class library for working with Microsoft Visio files.
Aspose
Shareware
Node.js Library for Visio File Formats | Diagram JavaScript API.
Aspose
Shareware
Java Library for Visio File Formats | Diagram Java API.
Aspose
4
Shareware
.NET Library for Visio File Formats | Diagram .NET API.
68
Adrian & Frank Buehlmann
46
Fast and Lightweight UML Diagram Editor for Windows 2000, XP and Vista.