Yes, both Overflow and Microsoft Visio offer a Free Trial.
Overflow is designed for Large Enterprises, Medium Business and Small Business.
Microsoft Visio is designed for Medium Business and Small Business.
Pricing for Overflow Starts at $12/User/Month when Billed Yearly whereas for Microsoft Visio Starts at $5/User/Month.
Some top alternatives to Overflow includes Miro, FigJam, SmartDraw, Gliffy, Microsoft Visio, Creately, EDraw Max, FlowMapp, Isoflow, Quick Diagram, diagrams.net and Flow.
Some top alternatives to Microsoft Visio includes Miro, FigJam, SmartDraw, Gliffy, DrakonHub, Creately, 10SCAPE, Sankey Flow Show, Lucidchart, EDraw Max, Quick Diagram and diagrams.net.
