Kivio

kivio.png

Kivio is a flowcharting and diagramming application for the KOffice application suite, and has a user interface that is similar to Microsoft Visio. It is fully integrated into KOffice and can for example be embedded into KWord.

Features:

* Scriptable stencils using Python.
* Support for Dia stencils.
* Plugin framework for adding more functionality.

Similar applications: 
Microsoft Visio