Microsoft Visio (formerly Microsoft Office Visio) is a diagramming and vector graphics application and is part of the Microsoft Office suite. Visio allows you to create professional diagrams to simplify complex information with updated shapes, collaboration tools and data-linked diagrams. While Visio is one of the best tools to create diagrams, it does not come free, it is a part of Office suite and not affordable for all.

So if you cannot afford the Visio, there are many free alternatives available. Although the alternative free tools available might not be as good as Visio, you can still get most of the useful and important features. In this article, we will explorer the best free alternatives to Microsoft Visio.