2x USB Host, 1x USB OTG, 1x CSI camera connector.My research led to the next list (the list will be updated once new alternatives appear).
Dia is designed to be much like the proprietary ‘Visio’.
Database modeling in Visio revolves around a Database Model Diagram (DMD) Here’s our favorite free and open source alternatives to Visio. The budget for this change is not greater than 150. Microsoft Visio is a diagramming and vector graphics application and is part of the Microsoft Office family. Its alternative must provide as much stability in operation, community support, and resources.