Full-featured gedcom-based genealogy program. GWintree is a GEDCOM-based genealogy program. It provides facilities to record, view, edit, and merge data, and to produce charts, family trees, and reports in a wide range of formats, including SWF and HTML. Charts can show all relatives, ancestors only, or descendants only. HTML charts allow you to click on a person in your HTML report to see where they are on the chart. Automatic matching and merging of data is supported.