A Free Open Source Alternative to Microsoft Visio

Need to create diagrams, flowcharts, circuits, or other kinds of entity-relationship models? Microsoft Visio is without a doubt the best software for that, but that doesn’t mean it’s the best choice for you.

Visio may be the industry standard in the corporate world, but it comes with a huge drawback: it’s expensive ($299 for the standard version as of this writing). Can’t afford that? Then you’ll be happy to know that several open source alternatives exist for the low, low price of FREE. More of this article from MakeUseOf.com