Normally we use Microsoft Visio to draw entity relationship diagrams, UML diagrams, flowcharts, network diagrams, simple circuits and much more. But the price of MS Visio diagram software is expensive and some of we might not afford to purchase it.

There is an open source software call Kivio that capable to replace Ms Visio. Kivio is part of the KOffice open source office suite. For flowcharting, network diagrams and all other graphing need Kivio solves them with an easy to user interface.  (more…)