NCH Software offers a of ClickCharts for non-commercial, personal use. The Professional (Pro) edition, however, is a paid product typically offered as a free trial rather than a permanently free download. Key Download & Version Details
While version 6.4 specifically is an older release, you can find various versions through the following official and reputable channels: NCH ClickCharts Pro 6.4 for Mac Free Download
ClickCharts is designed for creating flowcharts, mind maps, and other visual diagrams. Key capabilities include: ClickCharts Charting, Mapping & Flowchart Software NCH Software offers a of ClickCharts for non-commercial,