Flowdia Diagrams is described as 'Flowdia is an easy to use flow diagram tool that can be used to quickly create professional quality Flow Charts, BPMN 2.0 diagrams, Network Layouts, UML Activity and Class diagrams' and is a Diagram Editor in the office & productivity category. There are seven alternatives to Flowdia Diagrams for a variety of platforms, including Mac, Windows, Linux, Web-based and Android apps. The best Flowdia Diagrams alternative is Graphviz, which is both free and Open Source. Other great apps like Flowdia Diagrams are Penrose, QuikFlow, ClickCharts and Dynamic Draw.