Flowdia Diagrams is a free, easy-to-use flow diagram tool designed to create professional quality flowcharts, mind maps, BPMN, network and server layouts, Cisco network, Rack diagram, UML activity, business process and process flow diagrams. The app is designed with ease of use in mind and allows for quick connection of flowchart shapes by simply selecting the start and end connection points. Additionally, new lanes can be added to a swimlane diagram or new sub-topics to a mind map diagram with the click of a button. The app supports export of the diagram/flowchart to PNG, JPG, PDF, and SVG formats. It also allows for the import of custom PNG and JPG images.

The tool's special shape selector makes it easy to select and change BPMN activity, event, and gateway types. The flowchart shapes in this tool can be resized without losing quality, and the look of the shapes can be customized by applying background color and changing the font color and size of the text. However, the free version of Flowdia is restricted to 4 files, 1 page per diagram, and cannot remove or duplicate pages. Image and PDF exports also come with a watermark.