Best Diagramming Software for macOS

ConceptDraw DIAGRAM creates drawings, flowcharts, block diagrams, bar charts, histograms, pie charts, divided bar diagrams, line graphs, area charts, scatter plots, circular arrows diagrams, Venn diagrams, bubble diagrams with great visual appeal on Mac OS X.

Software Diagrams

Design and document development of projects using a wide range of pre-drawn shapes and smart connectors. Develop visualization solutions with the help of the built-in scripting language.
ConceptDraw DIAGRAM is a perfect tool for Designing and planning tasks; Developing Visualization Solutions; Project Planning (Gantt Charts, Timelines, Project Schedules).